完整编译x64+x86

librf/src/promise.h

 			return ptr + _State_size;
 		}
 
-		void operator delete(void* _Ptr, size_t)
+		void operator delete(void* _Ptr, size_t _Size)
 		{
+			(void)_Size;
 			size_t _State_size = _Align_size<state_type>();
 			assert(_Size >= sizeof(uint32_t) && _Size < (std::numeric_limits<uint32_t>::max)() - sizeof(_State_size));
 

tutorial/test_async_channel.cpp

 
 			std::cout << val << ":";
 #if _DEBUG
-			for (auto val : c.debug_queue())
-				std::cout << val << ",";
+			for (auto v2 : c.debug_queue())
+				std::cout << v2 << ",";
 #endif
 			std::cout << std::endl;
 		}

tutorial/test_async_memory_layout.cpp

 	using state_type = typename future_type::state_type;
 
 	void* frame_ptr = _coro_frame_ptr();
-	auto handler = coroutine_handle<promise_t<int64_t>>::from_address(frame_ptr);
+	auto handler = coroutine_handle<promise_type>::from_address(frame_ptr);
 	promise_type* promise = &handler.promise();
 	state_type* state = handler.promise().get_state();
 
 
 	std::cout << std::endl << __FUNCTION__ << " - begin" << std::endl;
 
-	using future_type = future_t<int64_t>;
+	using future_type = future_t<>;
 	using promise_type = typename future_type::promise_type;
 	using state_type = typename future_type::state_type;
 
 	void* frame_ptr = _coro_frame_ptr();
-	auto handler = coroutine_handle<promise_t<int64_t>>::from_address(frame_ptr);
+	auto handler = coroutine_handle<promise_type>::from_address(frame_ptr);
 	promise_type * promise = &handler.promise();
 	state_type * state = handler.promise().get_state();
 

vs_proj/librf.vcxproj

     <ProjectGuid>{C1D4A6BD-592F-4E48-8178-7C87219BF80E}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>librf</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.18362.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
+    <PlatformToolset>v142</PlatformToolset>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v141</PlatformToolset>
-    <CharacterSet>NotSet</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v142</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>NotSet</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
-    <UseDebugLibraries>true</UseDebugLibraries>
     <PlatformToolset>v142</PlatformToolset>
-    <CharacterSet>NotSet</CharacterSet>
+    <UseDebugLibraries>true</UseDebugLibraries>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;ASIO_STANDALONE;_SILENCE_CXX17_ALLOCATOR_VOID_DEPRECATION_WARNING=1;ASIO_DISABLE_CONCEPTS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <SDLCheck>true</SDLCheck>
       <AdditionalIncludeDirectories>..\librf;..\..\asio\asio\include;..\..\asio-1.10.6\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <AdditionalOptions>/await</AdditionalOptions>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpplatest</LanguageStandard>
+      <OmitFramePointers />
+      <DisableSpecificWarnings>4834</DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>_DEBUG;_CONSOLE;ASIO_STANDALONE;RESUMEF_DEBUG_COUNTER=0;RESUMEF_ENABLE_MULT_SCHEDULER=1;RESUMEF_USE_BOOST_ANY=0;_SILENCE_CXX17_ALLOCATOR_VOID_DEPRECATION_WARNING=1;ASIO_DISABLE_CONCEPTS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <SDLCheck>true</SDLCheck>
       <AdditionalIncludeDirectories>..\librf;..\..\asio\asio\include;..\..\asio-1.10.6\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <AdditionalOptions>/await</AdditionalOptions>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <LanguageStandard>stdcpplatest</LanguageStandard>
-      <MinimalRebuild />
       <CLanguageStandard>c11</CLanguageStandard>
       <CppLanguageStandard>c++1y</CppLanguageStandard>
       <DisableSpecificWarnings>4834</DisableSpecificWarnings>
-      <EnableModules>true</EnableModules>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
       <Optimization>Full</Optimization>
-      <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;ASIO_STANDALONE;_SILENCE_CXX17_ALLOCATOR_VOID_DEPRECATION_WARNING=1;ASIO_DISABLE_CONCEPTS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>
       <AdditionalIncludeDirectories>..\librf;..\..\asio\asio\include;..\..\asio-1.10.6\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <AdditionalOptions>/await</AdditionalOptions>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
-      <LanguageStandard>stdcpp17</LanguageStandard>
-      <BufferSecurityCheck>false</BufferSecurityCheck>
-      <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
-      <EnableFiberSafeOptimizations>true</EnableFiberSafeOptimizations>
+      <LanguageStandard>stdcpplatest</LanguageStandard>
       <StringPooling>true</StringPooling>
+      <FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
+      <OmitFramePointers />
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>