use C++20

pmed · pmed · commit ba5b4ed9f3bb · 2025-01-06T00:22:53.000+01:00
because brew v8 package in macos requires it
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -7,7 +7,7 @@ project(v8pp
 	LANGUAGES CXX
 )
 
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_EXTENSIONS OFF)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
diff --git a/common.props b/common.props
@@ -12,9 +12,9 @@
       <DisableSpecificWarnings>4190</DisableSpecificWarnings>
       <PreprocessorDefinitions>V8PP_ISOLATE_DATA_SLOT=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <WarningLevel>Level4</WarningLevel>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp20</LanguageStandard>
       <ConformanceMode>true</ConformanceMode>
-      <AdditionalOptions>/experimental:external /external:anglebrackets /external:W0 %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalOptions>/Zc:__cplusplus /external:anglebrackets /external:W0 %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
   </ItemDefinitionGroup>
 </Project>

Original file line number	Diff line number	Diff line change
`@@ -7,7 +7,7 @@ project(v8pp`
`7`	`7`	`LANGUAGES CXX`
`8`	`8`	`)`
`9`	`9`
`10`		`-set(CMAKE_CXX_STANDARD 17)`
	`10`	`+set(CMAKE_CXX_STANDARD 20)`
`11`	`11`	`set(CMAKE_CXX_EXTENSIONS OFF)`
`12`	`12`	`set(CMAKE_CXX_STANDARD_REQUIRED ON)`
`13`	`13`