EnumerateIterator: Add utility for concisely enumerating ranges

examples/DemoRunner/Builds/Android/app/CMakeLists.txt

@@ -963,6 +963,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_core/containers/juce_DynamicObject.cpp"
     "../../../../../modules/juce_core/containers/juce_DynamicObject.h"
     "../../../../../modules/juce_core/containers/juce_ElementComparator.h"
+    "../../../../../modules/juce_core/containers/juce_Enumerate.h"
+    "../../../../../modules/juce_core/containers/juce_Enumerate_test.cpp"
     "../../../../../modules/juce_core/containers/juce_FixedSizeFunction.h"
     "../../../../../modules/juce_core/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_core/containers/juce_HashMap.h"
@@ -3033,6 +3035,8 @@ set_source_files_properties(
     "../../../../../modules/juce_core/containers/juce_DynamicObject.cpp"
     "../../../../../modules/juce_core/containers/juce_DynamicObject.h"
     "../../../../../modules/juce_core/containers/juce_ElementComparator.h"
+    "../../../../../modules/juce_core/containers/juce_Enumerate.h"
+    "../../../../../modules/juce_core/containers/juce_Enumerate_test.cpp"
     "../../../../../modules/juce_core/containers/juce_FixedSizeFunction.h"
     "../../../../../modules/juce_core/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_core/containers/juce_HashMap.h"

examples/DemoRunner/Builds/MacOSX/DemoRunner.xcodeproj/project.pbxproj

@@ -576,6 +576,7 @@
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK",
+					"$(HOME)/Developer/VSTSDK",
 					"$(SRCROOT)/../../JuceLibraryCode",
 					"$(SRCROOT)/../../../../modules",
 					"$(inherited)",
@@ -585,7 +586,7 @@
 				INSTALL_PATH = "$(HOME)/Applications";
 				LLVM_LTO = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.13;
-				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
+				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(HOME)/Developer/VSTSDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
 				OTHER_CFLAGS = "-Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_CPLUSPLUSFLAGS = "-Woverloaded-virtual -Wreorder -Wzero-as-null-pointer-constant -Wunused-private-field -Winconsistent-missing-destructor-override -Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_LDFLAGS = "-Wl,-weak_reference_mismatches,weak";
@@ -668,6 +669,7 @@
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK",
+					"$(HOME)/Developer/VSTSDK",
 					"$(SRCROOT)/../../JuceLibraryCode",
 					"$(SRCROOT)/../../../../modules",
 					"$(inherited)",
@@ -676,7 +678,7 @@
 				INFOPLIST_PREPROCESS = NO;
 				INSTALL_PATH = "$(HOME)/Applications";
 				MACOSX_DEPLOYMENT_TARGET = 10.13;
-				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
+				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(HOME)/Developer/VSTSDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
 				OTHER_CFLAGS = "-Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_CPLUSPLUSFLAGS = "-Woverloaded-virtual -Wreorder -Wzero-as-null-pointer-constant -Wunused-private-field -Winconsistent-missing-destructor-override -Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_LDFLAGS = "-Wl,-weak_reference_mismatches,weak";

examples/DemoRunner/Builds/VisualStudio2017/DemoRunner_App.vcxproj

@@ -1244,6 +1244,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -3305,6 +3308,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>

examples/DemoRunner/Builds/VisualStudio2017/DemoRunner_App.vcxproj.filters

@@ -1861,6 +1861,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -5115,6 +5118,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

examples/DemoRunner/Builds/VisualStudio2019/DemoRunner_App.vcxproj

@@ -1244,6 +1244,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -3305,6 +3308,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>

examples/DemoRunner/Builds/VisualStudio2019/DemoRunner_App.vcxproj.filters

@@ -1861,6 +1861,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -5115,6 +5118,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

examples/DemoRunner/Builds/VisualStudio2022/DemoRunner_App.vcxproj

@@ -1244,6 +1244,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -3305,6 +3308,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>

examples/DemoRunner/Builds/VisualStudio2022/DemoRunner_App.vcxproj.filters

@@ -1861,6 +1861,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -5115,6 +5118,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

examples/DemoRunner/Builds/iOS/DemoRunner.xcodeproj/project.pbxproj

@@ -584,6 +584,7 @@
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK",
+					"$(HOME)/Developer/VSTSDK",
 					"$(SRCROOT)/../../JuceLibraryCode",
 					"$(SRCROOT)/../../../../modules",
 					"$(inherited)",
@@ -592,7 +593,7 @@
 				INFOPLIST_PREPROCESS = NO;
 				INSTALL_PATH = "$(HOME)/Applications";
 				LLVM_LTO = YES;
-				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
+				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(HOME)/Developer/VSTSDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
 				OTHER_CFLAGS = "-Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_CPLUSPLUSFLAGS = "-Woverloaded-virtual -Wreorder -Wzero-as-null-pointer-constant -Wunused-private-field -Winconsistent-missing-destructor-override -Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_LDFLAGS = "-Wl,-weak_reference_mismatches,weak";
@@ -676,6 +677,7 @@
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK",
+					"$(HOME)/Developer/VSTSDK",
 					"$(SRCROOT)/../../JuceLibraryCode",
 					"$(SRCROOT)/../../../../modules",
 					"$(inherited)",
@@ -683,7 +685,7 @@
 				INFOPLIST_FILE = Info-App.plist;
 				INFOPLIST_PREPROCESS = NO;
 				INSTALL_PATH = "$(HOME)/Applications";
-				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
+				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(HOME)/Developer/VSTSDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
 				OTHER_CFLAGS = "-Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_CPLUSPLUSFLAGS = "-Woverloaded-virtual -Wreorder -Wzero-as-null-pointer-constant -Wunused-private-field -Winconsistent-missing-destructor-override -Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_LDFLAGS = "-Wl,-weak_reference_mismatches,weak";

extras/AudioPerformanceTest/Builds/Android/app/CMakeLists.txt

@@ -839,6 +839,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_core/containers/juce_DynamicObject.cpp"
     "../../../../../modules/juce_core/containers/juce_DynamicObject.h"
     "../../../../../modules/juce_core/containers/juce_ElementComparator.h"
+    "../../../../../modules/juce_core/containers/juce_Enumerate.h"
+    "../../../../../modules/juce_core/containers/juce_Enumerate_test.cpp"
     "../../../../../modules/juce_core/containers/juce_FixedSizeFunction.h"
     "../../../../../modules/juce_core/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_core/containers/juce_HashMap.h"
@@ -2609,6 +2611,8 @@ set_source_files_properties(
     "../../../../../modules/juce_core/containers/juce_DynamicObject.cpp"
     "../../../../../modules/juce_core/containers/juce_DynamicObject.h"
     "../../../../../modules/juce_core/containers/juce_ElementComparator.h"
+    "../../../../../modules/juce_core/containers/juce_Enumerate.h"
+    "../../../../../modules/juce_core/containers/juce_Enumerate_test.cpp"
     "../../../../../modules/juce_core/containers/juce_FixedSizeFunction.h"
     "../../../../../modules/juce_core/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_core/containers/juce_HashMap.h"

extras/AudioPerformanceTest/Builds/VisualStudio2022/AudioPerformanceTest_App.vcxproj

@@ -1084,6 +1084,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -2861,6 +2864,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>

extras/AudioPerformanceTest/Builds/VisualStudio2022/AudioPerformanceTest_App.vcxproj.filters

@@ -1570,6 +1570,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -4395,6 +4398,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/AudioPluginHost/Builds/Android/app/CMakeLists.txt

@@ -872,6 +872,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_core/containers/juce_DynamicObject.cpp"
     "../../../../../modules/juce_core/containers/juce_DynamicObject.h"
     "../../../../../modules/juce_core/containers/juce_ElementComparator.h"
+    "../../../../../modules/juce_core/containers/juce_Enumerate.h"
+    "../../../../../modules/juce_core/containers/juce_Enumerate_test.cpp"
     "../../../../../modules/juce_core/containers/juce_FixedSizeFunction.h"
     "../../../../../modules/juce_core/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_core/containers/juce_HashMap.h"
@@ -2795,6 +2797,8 @@ set_source_files_properties(
     "../../../../../modules/juce_core/containers/juce_DynamicObject.cpp"
     "../../../../../modules/juce_core/containers/juce_DynamicObject.h"
     "../../../../../modules/juce_core/containers/juce_ElementComparator.h"
+    "../../../../../modules/juce_core/containers/juce_Enumerate.h"
+    "../../../../../modules/juce_core/containers/juce_Enumerate_test.cpp"
     "../../../../../modules/juce_core/containers/juce_FixedSizeFunction.h"
     "../../../../../modules/juce_core/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_core/containers/juce_HashMap.h"

extras/AudioPluginHost/Builds/MacOSX/AudioPluginHost.xcodeproj/project.pbxproj

@@ -508,6 +508,7 @@
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK",
+					"$(HOME)/Developer/VSTSDK",
 					"$(SRCROOT)/../../JuceLibraryCode",
 					"$(SRCROOT)/../../../../modules",
 					"$(inherited)",
@@ -517,7 +518,7 @@
 				INSTALL_PATH = "$(HOME)/Applications";
 				LLVM_LTO = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.13;
-				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
+				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(HOME)/Developer/VSTSDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
 				OTHER_CFLAGS = "-Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_CPLUSPLUSFLAGS = "-Woverloaded-virtual -Wreorder -Wzero-as-null-pointer-constant -Wunused-private-field -Winconsistent-missing-destructor-override -Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_LDFLAGS = "-Wl,-weak_reference_mismatches,weak";
@@ -647,6 +648,7 @@
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK",
+					"$(HOME)/Developer/VSTSDK",
 					"$(SRCROOT)/../../JuceLibraryCode",
 					"$(SRCROOT)/../../../../modules",
 					"$(inherited)",
@@ -655,7 +657,7 @@
 				INFOPLIST_PREPROCESS = NO;
 				INSTALL_PATH = "$(HOME)/Applications";
 				MACOSX_DEPLOYMENT_TARGET = 10.13;
-				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
+				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(HOME)/Developer/VSTSDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
 				OTHER_CFLAGS = "-Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_CPLUSPLUSFLAGS = "-Woverloaded-virtual -Wreorder -Wzero-as-null-pointer-constant -Wunused-private-field -Winconsistent-missing-destructor-override -Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_LDFLAGS = "-Wl,-weak_reference_mismatches,weak";

extras/AudioPluginHost/Builds/VisualStudio2017/AudioPluginHost_App.vcxproj

@@ -1092,6 +1092,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -3041,6 +3044,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>

extras/AudioPluginHost/Builds/VisualStudio2017/AudioPluginHost_App.vcxproj.filters

@@ -1645,6 +1645,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -4671,6 +4674,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/AudioPluginHost/Builds/VisualStudio2019/AudioPluginHost_App.vcxproj

@@ -1092,6 +1092,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -3041,6 +3044,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>

extras/AudioPluginHost/Builds/VisualStudio2019/AudioPluginHost_App.vcxproj.filters

@@ -1645,6 +1645,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -4671,6 +4674,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/AudioPluginHost/Builds/VisualStudio2022/AudioPluginHost_App.vcxproj

@@ -1092,6 +1092,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -3041,6 +3044,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>

extras/AudioPluginHost/Builds/VisualStudio2022/AudioPluginHost_App.vcxproj.filters

@@ -1645,6 +1645,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -4671,6 +4674,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/AudioPluginHost/Builds/iOS/AudioPluginHost.xcodeproj/project.pbxproj

@@ -523,6 +523,7 @@
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK",
+					"$(HOME)/Developer/VSTSDK",
 					"$(SRCROOT)/../../JuceLibraryCode",
 					"$(SRCROOT)/../../../../modules",
 					"$(inherited)",
@@ -531,7 +532,7 @@
 				INFOPLIST_PREPROCESS = NO;
 				INSTALL_PATH = "$(HOME)/Applications";
 				LLVM_LTO = YES;
-				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
+				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(HOME)/Developer/VSTSDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
 				OTHER_CFLAGS = "-Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_CPLUSPLUSFLAGS = "-Woverloaded-virtual -Wreorder -Wzero-as-null-pointer-constant -Wunused-private-field -Winconsistent-missing-destructor-override -Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_LDFLAGS = "-Wl,-weak_reference_mismatches,weak";
@@ -664,6 +665,7 @@
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK",
+					"$(HOME)/Developer/VSTSDK",
 					"$(SRCROOT)/../../JuceLibraryCode",
 					"$(SRCROOT)/../../../../modules",
 					"$(inherited)",
@@ -671,7 +673,7 @@
 				INFOPLIST_FILE = Info-App.plist;
 				INFOPLIST_PREPROCESS = NO;
 				INSTALL_PATH = "$(HOME)/Applications";
-				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
+				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(HOME)/Developer/VSTSDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
 				OTHER_CFLAGS = "-Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_CPLUSPLUSFLAGS = "-Woverloaded-virtual -Wreorder -Wzero-as-null-pointer-constant -Wunused-private-field -Winconsistent-missing-destructor-override -Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_LDFLAGS = "-Wl,-weak_reference_mismatches,weak";

extras/BinaryBuilder/Builds/VisualStudio2022/BinaryBuilder_ConsoleApp.vcxproj

@@ -151,6 +151,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -501,6 +504,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>

extras/BinaryBuilder/Builds/VisualStudio2022/BinaryBuilder_ConsoleApp.vcxproj.filters

@@ -91,6 +91,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -477,6 +480,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/NetworkGraphicsDemo/Builds/Android/app/CMakeLists.txt

@@ -843,6 +843,8 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_core/containers/juce_DynamicObject.cpp"
     "../../../../../modules/juce_core/containers/juce_DynamicObject.h"
     "../../../../../modules/juce_core/containers/juce_ElementComparator.h"
+    "../../../../../modules/juce_core/containers/juce_Enumerate.h"
+    "../../../../../modules/juce_core/containers/juce_Enumerate_test.cpp"
     "../../../../../modules/juce_core/containers/juce_FixedSizeFunction.h"
     "../../../../../modules/juce_core/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_core/containers/juce_HashMap.h"
@@ -2693,6 +2695,8 @@ set_source_files_properties(
     "../../../../../modules/juce_core/containers/juce_DynamicObject.cpp"
     "../../../../../modules/juce_core/containers/juce_DynamicObject.h"
     "../../../../../modules/juce_core/containers/juce_ElementComparator.h"
+    "../../../../../modules/juce_core/containers/juce_Enumerate.h"
+    "../../../../../modules/juce_core/containers/juce_Enumerate_test.cpp"
     "../../../../../modules/juce_core/containers/juce_FixedSizeFunction.h"
     "../../../../../modules/juce_core/containers/juce_FixedSizeFunction_test.cpp"
     "../../../../../modules/juce_core/containers/juce_HashMap.h"

extras/NetworkGraphicsDemo/Builds/VisualStudio2022/NetworkGraphicsDemo_App.vcxproj

@@ -1084,6 +1084,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -2952,6 +2955,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>

extras/NetworkGraphicsDemo/Builds/VisualStudio2022/NetworkGraphicsDemo_App.vcxproj.filters

@@ -1600,6 +1600,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -4536,6 +4539,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/Projucer/Builds/VisualStudio2017/Projucer_App.vcxproj

@@ -287,6 +287,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1794,6 +1797,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>

extras/Projucer/Builds/VisualStudio2017/Projucer_App.vcxproj.filters

@@ -568,6 +568,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -2550,6 +2553,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/Projucer/Builds/VisualStudio2019/Projucer_App.vcxproj

@@ -287,6 +287,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1794,6 +1797,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>

extras/Projucer/Builds/VisualStudio2019/Projucer_App.vcxproj.filters

@@ -568,6 +568,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -2550,6 +2553,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/Projucer/Builds/VisualStudio2022/Projucer_App.vcxproj

@@ -287,6 +287,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1794,6 +1797,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>

extras/Projucer/Builds/VisualStudio2022/Projucer_App.vcxproj.filters

@@ -568,6 +568,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -2550,6 +2553,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/UnitTestRunner/Builds/MacOSX/UnitTestRunner.xcodeproj/project.pbxproj

@@ -449,6 +449,7 @@
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK",
+					"$(HOME)/Developer/VSTSDK",
 					"$(SRCROOT)/../../JuceLibraryCode",
 					"$(SRCROOT)/../../../../modules",
 					"$(inherited)",
@@ -456,7 +457,7 @@
 				INSTALL_PATH = "/usr/bin";
 				LLVM_LTO = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.13;
-				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
+				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(HOME)/Developer/VSTSDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
 				OTHER_CFLAGS = "-Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_CPLUSPLUSFLAGS = "-Woverloaded-virtual -Wreorder -Wzero-as-null-pointer-constant -Wunused-private-field -Winconsistent-missing-destructor-override -Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_LDFLAGS = "-Wl,-weak_reference_mismatches,weak";
@@ -580,13 +581,14 @@
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK",
 					"$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK",
+					"$(HOME)/Developer/VSTSDK",
 					"$(SRCROOT)/../../JuceLibraryCode",
 					"$(SRCROOT)/../../../../modules",
 					"$(inherited)",
 				);
 				INSTALL_PATH = "/usr/bin";
 				MACOSX_DEPLOYMENT_TARGET = 10.13;
-				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
+				MTL_HEADER_SEARCH_PATHS = "$(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lilv $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sratom $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord/src $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/sord $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/serd $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK/lv2 $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/LV2_SDK $(SRCROOT)/../../../../modules/juce_audio_processors/format_types/VST3_SDK $(HOME)/Developer/VSTSDK $(SRCROOT)/../../JuceLibraryCode $(SRCROOT)/../../../../modules";
 				OTHER_CFLAGS = "-Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_CPLUSPLUSFLAGS = "-Woverloaded-virtual -Wreorder -Wzero-as-null-pointer-constant -Wunused-private-field -Winconsistent-missing-destructor-override -Wall -Wcast-align -Wfloat-equal -Wno-ignored-qualifiers -Wsign-compare -Wsign-conversion -Wstrict-aliasing -Wswitch-enum -Wuninitialized -Wunreachable-code -Wunused-parameter -Wmissing-field-initializers -Wshadow-all -Wshorten-64-to-32 -Wconversion -Wint-conversion -Wconditional-uninitialized -Wconstant-conversion -Wbool-conversion -Wextra-semi -Wshift-sign-overflow -Wmissing-prototypes -Wnullable-to-nonnull-conversion -Wpedantic -Wdeprecated -Wunguarded-availability -Wunguarded-availability-new";
 				OTHER_LDFLAGS = "-Wl,-weak_reference_mismatches,weak";

extras/UnitTestRunner/Builds/VisualStudio2017/UnitTestRunner_ConsoleApp.vcxproj

@@ -1100,6 +1100,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -3097,6 +3100,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>

extras/UnitTestRunner/Builds/VisualStudio2017/UnitTestRunner_ConsoleApp.vcxproj.filters

@@ -1657,6 +1657,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -4734,6 +4737,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/UnitTestRunner/Builds/VisualStudio2019/UnitTestRunner_ConsoleApp.vcxproj

@@ -1100,6 +1100,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -3097,6 +3100,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>

extras/UnitTestRunner/Builds/VisualStudio2019/UnitTestRunner_ConsoleApp.vcxproj.filters

@@ -1657,6 +1657,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -4734,6 +4737,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/UnitTestRunner/Builds/VisualStudio2022/UnitTestRunner_ConsoleApp.vcxproj

@@ -1100,6 +1100,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -3097,6 +3100,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ArrayBase.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>

extras/UnitTestRunner/Builds/VisualStudio2022/UnitTestRunner_ConsoleApp.vcxproj.filters

@@ -1657,6 +1657,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -4734,6 +4737,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

extras/WindowsDLL/Builds/VisualStudio2022/WindowsDLL_StaticLibrary.vcxproj

@@ -1083,6 +1083,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -2928,6 +2931,7 @@
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     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_HashMap.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_LinkedListPointer.h"/>

extras/WindowsDLL/Builds/VisualStudio2022/WindowsDLL_StaticLibrary.vcxproj.filters

@@ -1597,6 +1597,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_DynamicObject.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate_test.cpp">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction_test.cpp">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClCompile>
@@ -4503,6 +4506,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_ElementComparator.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_Enumerate.h">
+      <Filter>JUCE Modules\juce_core\containers</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_core\containers\juce_FixedSizeFunction.h">
       <Filter>JUCE Modules\juce_core\containers</Filter>
     </ClInclude>

modules/juce_core/containers/juce_Enumerate.h

@@ -0,0 +1,426 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2022 - Raw Material Software Limited
+
+   JUCE is an open source library subject to commercial or open-source
+   licensing.
+
+   The code included in this file is provided under the terms of the ISC license
+   http://www.isc.org/downloads/software-support-policy/isc-license. Permission
+   To use, copy, modify, and/or distribute this software for any purpose with or
+   without fee is hereby granted provided that the above copyright notice and
+   this permission notice appear in all copies.
+
+   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
+   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
+   DISCLAIMED.
+
+  ==============================================================================
+*/
+
+namespace juce
+{
+
+namespace detail
+{
+
+template <typename T, typename = void>
+constexpr auto canPreDecrement = false;
+
+template <typename T>
+constexpr auto canPreDecrement<T, std::void_t<decltype (--std::declval<T>())>> = true;
+
+template <typename T, typename I, typename = void>
+constexpr auto canAddAssign = false;
+
+template <typename T, typename I>
+constexpr auto canAddAssign<T, I, std::void_t<decltype (std::declval<T>() += std::declval<I>())>> = true;
+
+template <typename T, typename I, typename = void>
+constexpr auto canSubAssign = false;
+
+template <typename T, typename I>
+constexpr auto canSubAssign<T, I, std::void_t<decltype (std::declval<T>() -= std::declval<I>())>> = true;
+
+template <typename T, typename I, typename = void>
+constexpr auto canAdd = false;
+
+template <typename T, typename I>
+constexpr auto canAdd<T, I, std::void_t<decltype (std::declval<T>() + std::declval<I>())>> = true;
+
+template <typename T, typename I, typename = void>
+constexpr auto canSub = false;
+
+template <typename T, typename I>
+constexpr auto canSub<T, I, std::void_t<decltype (std::declval<T>() - std::declval<I>())>> = true;
+
+template <typename T, typename I, typename = void>
+constexpr auto canLessThan = false;
+
+template <typename T, typename I>
+constexpr auto canLessThan<T, I, std::void_t<decltype (std::declval<T>() < std::declval<I>())>> = true;
+
+template <typename T, typename I, typename = void>
+constexpr auto canLessThanEqual = false;
+
+template <typename T, typename I>
+constexpr auto canLessThanEqual<T, I, std::void_t<decltype (std::declval<T>() <= std::declval<I>())>> = true;
+
+template <typename T, typename I, typename = void>
+constexpr auto canGreaterThan = false;
+
+template <typename T, typename I>
+constexpr auto canGreaterThan<T, I, std::void_t<decltype (std::declval<T>() > std::declval<I>())>> = true;
+
+template <typename T, typename I, typename = void>
+constexpr auto canGreaterThanEqual = false;
+
+template <typename T, typename I>
+constexpr auto canGreaterThanEqual<T, I, std::void_t<decltype (std::declval<T>() >= std::declval<I>())>> = true;
+
+namespace withAdlSize
+{
+    using std::size;
+
+    template <typename Range>
+    using AdlSize = decltype (size (std::declval<Range>()));
+
+    template <typename Range>
+    using AdlSignedSize = std::common_type_t<std::ptrdiff_t, std::make_signed_t<AdlSize<Range>>>;
+}
+
+} // namespace detail
+
+/**
+    Returned when dereferencing an EnumerateIterator.
+
+    Allows querying the index associated with an element, along with a reference to the element
+    itself.
+
+    You should never need to construct an instance of this type yourself. Instead, use the
+    enumerate() function to construct a range that can be enumerated.
+
+    @see enumerate()
+    @tags{Core}
+*/
+template <typename Index, typename Value>
+struct Enumerated
+{
+    Index index;
+    Value value;
+};
+
+/**
+    An iterator that wraps some other iterator, keeping track of the relative position of that
+    iterator based on calls to arithmetic operators such as
+    operator++(), operator--(), operator+(), and operator-().
+
+    You should never need to construct an instance of this type yourself. Instead, use the
+    enumerate() function to construct a range that can be enumerated.
+
+    @see enumerate()
+    @tags{Core}
+*/
+template <typename Iter, typename Index = ptrdiff_t>
+class EnumerateIterator
+{
+public:
+    /** Default constructor. */
+    constexpr EnumerateIterator() = default;
+
+    /** Wraps the provided iterator, and sets the internal count to 0. */
+    constexpr explicit EnumerateIterator (Iter iter)
+        : EnumerateIterator (std::move (iter), Index{}) {}
+
+    /** Wraps the provided iterator, and sets the internal count to the provided value. */
+    constexpr EnumerateIterator (Iter iter, Index ind)
+        : iterator (std::move (iter)), index (ind) {}
+
+    /** Two EnumerateIterators are considered equal if the wrapped iterators are equal. */
+    template <typename OtherIter, typename OtherInd>
+    [[nodiscard]] constexpr bool operator== (const EnumerateIterator<OtherIter, OtherInd>& other) const
+    {
+        return iterator == other.iterator;
+    }
+
+    /** @see operator==() */
+    template <typename OtherIter, typename OtherInd>
+    [[nodiscard]] constexpr bool operator!= (const EnumerateIterator<OtherIter, OtherInd>& other) const
+    {
+        return ! operator== (other);
+    }
+
+    /** Dereferencing the iterator produces an Enumerated instance *by value*. This type holds
+        a copy of the iterator's current index, along with the result of dereferencing the
+        wrapped iterator (normally a reference type).
+    */
+    [[nodiscard]] constexpr Enumerated<Index, decltype (*std::declval<Iter>())> operator*() const
+    {
+        return { index, *iterator };
+    }
+
+    /** Increments the iterator and the index. */
+    constexpr EnumerateIterator& operator++()
+    {
+        ++iterator;
+        ++index;
+        return *this;
+    }
+
+    /** Increments the iterator and the index. */
+    constexpr EnumerateIterator operator++ (int)
+    {
+        auto copy = *this;
+        operator++();
+        return copy;
+    }
+
+    /** Decrements the iterator and the index.
+        Only participates in overload resolution if the iterator can be pre-decremented.
+    */
+    template <typename T = Iter, std::enable_if_t<detail::canPreDecrement<T>, int> = 0>
+    constexpr EnumerateIterator& operator--()
+    {
+        --iterator;
+        --index;
+        return *this;
+    }
+
+    /** Decrements the iterator and the index.
+        Only participates in overload resolution if the iterator can be pre-decremented.
+    */
+    template <typename T = Iter, std::enable_if_t<detail::canPreDecrement<T>, int> = 0>
+    constexpr EnumerateIterator operator-- (int)
+    {
+        auto copy = *this;
+        operator--();
+        return copy;
+    }
+
+    /** Adds an integral value to both the iterator and the index.
+        Only participates in overload resolution if the iterator can be add-assigned.
+    */
+    template <typename I, std::enable_if_t<detail::canAddAssign<Iter&, I>, int> = 0>
+    constexpr EnumerateIterator& operator+= (I diff)
+    {
+        iterator += diff;
+        index += static_cast<Index> (diff);
+        return *this;
+    }
+
+    /** Subtracts an integral value from both the iterator and the index.
+        Only participates in overload resolution if the iterator can be sub-assigned.
+    */
+    template <typename I, std::enable_if_t<detail::canSubAssign<Iter&, I>, int> = 0>
+    constexpr EnumerateIterator& operator-= (I diff)
+    {
+        iterator -= diff;
+        index -= static_cast<Index> (diff);
+        return *this;
+    }
+
+    /** Subtracts another enumerate iterator from this one, producing the same result as
+        subtracting the two wrapped iterators. For random-access iterators, this will normally
+        return the distance between the two iterators.
+        Only participates in overload resolution if the wrapped iterators can be subtracted.
+    */
+    template <typename OtherIter, typename OtherInd, std::enable_if_t<detail::canSub<Iter, OtherIter>, int> = 0>
+    [[nodiscard]] constexpr auto operator- (const EnumerateIterator<OtherIter, OtherInd>& other) const
+    {
+        return iterator - other.iterator;
+    }
+
+    /** Indexes into this iterator, equivalent to adding an integral value to this iterator and
+        then dereferencing the result.
+        Only participates in overload resolution if the wrapped iterator allows addition of
+        integral values.
+    */
+    template <typename I, std::enable_if_t<detail::canAdd<EnumerateIterator, I>, int> = 0>
+    [[nodiscard]] constexpr auto operator[] (I diff) const
+    {
+        return *(*this + diff);
+    }
+
+    /** Returns the result of comparing the two wrapped iterators.
+        Only participates in overload resolution if the wrapped iterators are comparable.
+    */
+    template <typename OtherIter, typename OtherInd, std::enable_if_t<detail::canLessThan<Iter, OtherIter>, int> = 0>
+    [[nodiscard]] constexpr bool operator< (const EnumerateIterator<OtherIter, OtherInd>& other) const
+    {
+        return iterator < other.iterator;
+    }
+
+    /** Returns the result of comparing the two wrapped iterators.
+        Only participates in overload resolution if the wrapped iterators are comparable.
+    */
+    template <typename OtherIter, typename OtherInd, std::enable_if_t<detail::canLessThanEqual<Iter, OtherIter>, int> = 0>
+    [[nodiscard]] constexpr bool operator<= (const EnumerateIterator<OtherIter, OtherInd>& other) const
+    {
+        return iterator <= other.iterator;
+    }
+
+    /** Returns the result of comparing the two wrapped iterators.
+        Only participates in overload resolution if the wrapped iterators are comparable.
+    */
+    template <typename OtherIter, typename OtherInd, std::enable_if_t<detail::canGreaterThan<Iter, OtherIter>, int> = 0>
+    [[nodiscard]] constexpr bool operator> (const EnumerateIterator<OtherIter, OtherInd>& other) const
+    {
+        return iterator > other.iterator;
+    }
+
+    /** Returns the result of comparing the two wrapped iterators.
+        Only participates in overload resolution if the wrapped iterators are comparable.
+    */
+    template <typename OtherIter, typename OtherInd, std::enable_if_t<detail::canGreaterThanEqual<Iter, OtherIter>, int> = 0>
+    [[nodiscard]] constexpr bool operator>= (const EnumerateIterator<OtherIter, OtherInd>& other) const
+    {
+        return iterator >= other.iterator;
+    }
+
+    /** Returns the result of adding an integral value to this iterator.
+        Only participates in overload resolution if addition is supported by the wrapped iterator.
+    */
+    template <typename I, std::enable_if_t<detail::canAddAssign<EnumerateIterator&, I>, int> = 0>
+    constexpr friend auto operator+ (EnumerateIterator iter, I ind)
+    {
+        return iter += ind;
+    }
+
+    /** Returns the result of adding an integral value to this iterator.
+        Only participates in overload resolution if addition is supported by the wrapped iterator.
+    */
+    template <typename I, std::enable_if_t<detail::canAddAssign<EnumerateIterator&, I>, int> = 0>
+    constexpr friend auto operator+ (I ind, EnumerateIterator iter)
+    {
+        return iter += ind;
+    }
+
+    /** Returns the result of subtracting an integral value from this iterator.
+        Only participates in overload resolution if subtraction is supported by the wrapped iterator.
+    */
+    template <typename I, std::enable_if_t<detail::canSubAssign<EnumerateIterator&, I>, int> = 0>
+    constexpr friend auto operator- (EnumerateIterator iter, I ind)
+    {
+        return iter -= ind;
+    }
+
+private:
+    Iter iterator{};
+    Index index = 0;
+};
+
+//==============================================================================
+/**
+    Wraps a pair of iterators, providing member begin() and end() functions that return
+    those iterators.
+    This is useful in situations where you have an iterator pair, but want to use that
+    pair somewhere that requires an iterable range, such as in a ranged-for loop.
+
+    @see makeRange()
+*/
+template <typename Begin, typename End>
+class IteratorPair
+{
+public:
+    /** Constructs a pair from a begin and end iterator.
+        Instead of calling this directly, use makeRange().
+    */
+    constexpr IteratorPair (Begin bIn, End eIn)
+        : b (std::move (bIn)), e (std::move (eIn)) {}
+
+    /** Returns the begin iterator. */
+    constexpr auto begin() const { return b; }
+
+    /** Returns the end iterator. */
+    constexpr auto end()   const { return e; }
+
+private:
+    Begin b;
+    End e;
+};
+
+/**
+    Given two iterators "begin" and "end", returns an IteratorPair with a member
+    begin() and end() function. This pair can be used in contexts that expect an
+    iterable range, the most significant of which is ranged-for loops.
+    This automatically deduces the Begin and End types, so it is more concise to use than
+    directly calling the IteratorPair constructor.
+*/
+template <typename Begin, typename End = Begin>
+[[nodiscard]] constexpr auto makeRange (Begin begin, End end)
+{
+    return IteratorPair<Begin, End> { std::move (begin), std::move (end) };
+}
+
+//==============================================================================
+/**
+    Given a range and an optional starting offset, returns an IteratorPair that
+    holds EnumerateIterators wrapping the begin() and end() of the range.
+
+    This is useful in situations where you need to iterate some range, but also query
+    the position of each item in the range.
+
+    A simple usage might look like this:
+
+    @code
+    std::list<int> elements { 10, 20, 30, 40, 50 };
+
+    for (const auto pair : enumerate (elements))
+        std::cout << pair.index << ' ' << pair.value << ' ';
+
+    // output: 0 10 1 20 2 30 3 40 4 50
+    @endcode
+
+    You can also use structured bindings to concisely destructure each Enumerated instance:
+
+    @code
+    for (const auto [index, value] : enumerate (elements))
+        std::cout << index << ' ' << value << ' ';
+    @endcode
+
+    Note that the Enumerated instance is returned by value. This is because each Enumerated
+    instance is created on-demand when the iterator is dereferenced. As a result, the following
+    will result in a dangling reference, and will probably trigger a compiler warning:
+
+    @code
+    // BAD IDEA: creating a reference to a temporary Enumerated instance
+    for (auto& [index, value] : enumerate (elements))
+        ...
+    @endcode
+
+    The 'value' member of Enumerated automatically assumes the same type as dereferencing the
+    wrapped iterator, which is normally a reference to an element of a container.
+    In the following snippet, the type of '[index, value]' is 'const Enumerated<ptrdiff_t, int&>',
+    the type of 'index' is 'ptrdiff_t', and the type of 'value' is 'int&'.
+
+    @code
+    std::vector<int> elements { 10, 20, 30, 40, 50 };
+    for (const auto [index, value] : enumerate (elements))
+        ...
+    @endcode
+
+    By default, the constness of pair.value will match the constness of the range passed to
+    enumerate. If you pass a mutable lvalue reference to enumerate, then each value will also
+    be mutable. If you pass a constant lvalue reference to enumerate, then each value will be
+    const. If you know that you don't need the iterated elements to be mutable, it's good
+    practice to wrap the range with std::as_const before passing it to enumerate:
+
+    @code
+    for (const auto [index, value] : enumerate (std::as_const (elements)))
+    {
+        // value is immutable here
+    }
+    @endcode
+*/
+template <typename Range, typename Index = detail::withAdlSize::AdlSignedSize<Range>>
+[[nodiscard]] constexpr auto enumerate (Range&& range, Index startingValue = {})
+{
+    // This ensures argument-dependent lookup works properly for user-defined non-member begin/end
+    using std::begin, std::end;
+    return makeRange (EnumerateIterator { begin (range), startingValue },
+                      EnumerateIterator { end   (range), startingValue });
+}
+
+} // namespace juce

modules/juce_core/containers/juce_Enumerate_test.cpp

@@ -0,0 +1,126 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2022 - Raw Material Software Limited
+
+   JUCE is an open source library subject to commercial or open-source
+   licensing.
+
+   The code included in this file is provided under the terms of the ISC license
+   http://www.isc.org/downloads/software-support-policy/isc-license. Permission
+   To use, copy, modify, and/or distribute this software for any purpose with or
+   without fee is hereby granted provided that the above copyright notice and
+   this permission notice appear in all copies.
+
+   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
+   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
+   DISCLAIMED.
+
+  ==============================================================================
+*/
+
+namespace juce
+{
+
+class EnumerateUnitTest : public UnitTest
+{
+public:
+    EnumerateUnitTest() : UnitTest ("Enumerate", UnitTestCategories::containers) {}
+
+    void runTest() override
+    {
+        beginTest ("enumeration works for bidirectional iterators");
+        {
+            const std::list<int> elements { 10, 20, 30, 40, 50 };
+            std::vector<int> counts;
+
+            for (const auto pair : enumerate (elements))
+                counts.push_back ((int) pair.index);
+
+            expect (counts == std::vector<int> { 0, 1, 2, 3, 4 });
+        }
+
+        beginTest ("enumeration works for random-access iterators");
+        {
+            const std::vector<std::string> strings { "a", "bb", "ccc", "dddd", "eeeee" };
+
+            std::vector<int> counts;
+
+            for (const auto [count, element] : enumerate (strings))
+                counts.push_back ((int) ((size_t) count + element.size()));
+
+            expect (counts == std::vector<int> { 1, 3, 5, 7, 9 });
+        }
+
+        beginTest ("enumeration works for mutable ranges");
+        {
+            std::vector<std::string> strings { "", "", "", "", "" };
+
+            for (const auto [count, element] : enumerate (strings))
+                element = std::to_string (count);
+
+            expect (strings == std::vector<std::string> { "0", "1", "2", "3", "4" });
+        }
+
+        beginTest ("iterator can be incremented by more than one");
+        {
+            std::vector<int> ints (6);
+
+            const auto enumerated = enumerate (ints);
+
+            std::vector<int> counts;
+
+            for (auto b = enumerated.begin(), e = enumerated.end(); b != e; b += 2)
+                counts.push_back ((int) (*b).index);
+
+            expect (counts == std::vector<int> { 0, 2, 4 });
+        }
+
+        beginTest ("iterator can be started at a non-zero value");
+        {
+            const std::vector<int> ints (6);
+
+            std::vector<int> counts;
+
+            for (const auto enumerated : enumerate (ints, 5))
+                counts.push_back ((int) enumerated.index);
+
+            expect (counts == std::vector<int> { 5, 6, 7, 8, 9, 10 });
+        }
+
+        beginTest ("subtracting two EnumerateIterators returns the difference between the base iterators");
+        {
+            const std::vector<int> ints (6);
+            const auto enumerated = enumerate (ints);
+            expect ((int) (enumerated.end() - enumerated.begin()) == (int) ints.size());
+        }
+
+        beginTest ("EnumerateIterator can be decremented");
+        {
+            const std::vector<int> ints (5);
+            std::vector<int> counts;
+
+            const auto enumerated = enumerate (std::as_const (ints));
+
+            for (auto i = enumerated.end(), b = enumerated.begin(); i != b; --i)
+                counts.push_back ((int) (*(i - 1)).index);
+
+            expect (counts == std::vector<int> { -1, -2, -3, -4, -5 });
+        }
+
+        beginTest ("EnumerateIterator can be compared");
+        {
+            const std::vector<int> ints (6);
+            const auto enumerated = enumerate (ints);
+            expect (enumerated.begin() < enumerated.end());
+            expect (enumerated.begin() <= enumerated.end());
+            expect (enumerated.end() > enumerated.begin());
+            expect (enumerated.end() >= enumerated.begin());
+        }
+    }
+};
+
+static EnumerateUnitTest enumerateUnitTest;
+
+} // namespace juce

modules/juce_core/juce_core.cpp

@@ -280,6 +280,7 @@
 #if JUCE_UNIT_TESTS
  #include "containers/juce_HashMap_test.cpp"
  #include "containers/juce_Optional_test.cpp"
+ #include "containers/juce_Enumerate_test.cpp"
  #include "maths/juce_MathsFunctions_test.cpp"
  #include "misc/juce_EnumHelpers_test.cpp"
  #include "containers/juce_FixedSizeFunction_test.cpp"

modules/juce_core/juce_core.h

@@ -246,6 +246,7 @@ JUCE_END_IGNORE_WARNINGS_MSVC
 #include "memory/juce_ScopedPointer.h"
 #include "memory/juce_OptionalScopedPointer.h"
 #include "containers/juce_Optional.h"
+#include "containers/juce_Enumerate.h"
 #include "containers/juce_ScopedValueSetter.h"
 #include "memory/juce_Singleton.h"
 #include "memory/juce_WeakReference.h"