Cpp1X

677a541e · Knine · 6c9e22c9 · 677a541e · 677a541e · 677a541e
5 changed file
--- a/course/Cpp1X/Cpp1X.sln
+++ b/course/Cpp1X/Cpp1X.sln
+Microsoft Visual Studio Solution File, Format Version 12.00
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+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Cpp1X", "Cpp1X\Cpp1X.vcxproj", "{36C5D7ED-5359-4FF6-AB22-F443A8E82F54}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{36C5D7ED-5359-4FF6-AB22-F443A8E82F54}.Debug|x64.ActiveCfg = Debug|x64
+		{36C5D7ED-5359-4FF6-AB22-F443A8E82F54}.Debug|x64.Build.0 = Debug|x64
+		{36C5D7ED-5359-4FF6-AB22-F443A8E82F54}.Debug|x86.ActiveCfg = Debug|Win32
+		{36C5D7ED-5359-4FF6-AB22-F443A8E82F54}.Debug|x86.Build.0 = Debug|Win32
+		{36C5D7ED-5359-4FF6-AB22-F443A8E82F54}.Release|x64.ActiveCfg = Release|x64
+		{36C5D7ED-5359-4FF6-AB22-F443A8E82F54}.Release|x64.Build.0 = Release|x64
+		{36C5D7ED-5359-4FF6-AB22-F443A8E82F54}.Release|x86.ActiveCfg = Release|Win32
+		{36C5D7ED-5359-4FF6-AB22-F443A8E82F54}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
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+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {B1AED15F-FD9B-4253-8EB1-BEBB178D2EA0}
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+EndGlobal
--- a/course/Cpp1X/Cpp1X/Cpp1X.cpp
+++ b/course/Cpp1X/Cpp1X/Cpp1X.cpp
+// Cpp1X.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。
+//
+#include <iostream>
+#include <Windows.h>
+int LambdaContainer();
+int LambdaThread();
+//WINUSERAPI
+int
+WINAPI
+MyMessageBoxA(
+	_In_opt_ HWND hWnd,
+	_In_opt_ LPCSTR lpText,
+	_In_opt_ LPCSTR lpCaption,
+	_In_ UINT uType)
+{
+	return 0;
+}
+int decltypeAuto()
+{
+	decltype(auto) func = &MessageBoxA;
+	auto func2 = (decltype(&MessageBoxA))MyMessageBoxA;
+	func(0, 0, 0, 0);
+	func2(0, 0, 0, 1);
+    return 0;
+}
+int main()
+{
+    //std::cout << "Hello World!\n";
+    return decltypeAuto();
+    LambdaContainer();
+    LambdaThread();
+}
+// 运行程序: Ctrl + F5 或调试 >“开始执行(不调试)”菜单
+// 调试程序: F5 或调试 >“开始调试”菜单
+// 入门使用技巧: 
+//   1. 使用解决方案资源管理器窗口添加/管理文件
+//   2. 使用团队资源管理器窗口连接到源代码管理
+//   3. 使用输出窗口查看生成输出和其他消息
+//   4. 使用错误列表窗口查看错误
+//   5. 转到“项目”>“添加新项”以创建新的代码文件，或转到“项目”>“添加现有项”以将现有代码文件添加到项目
+//   6. 将来，若要再次打开此项目，请转到“文件”>“打开”>“项目”并选择 .sln 文件
--- a/course/Cpp1X/Cpp1X/Cpp1X.vcxproj
+++ b/course/Cpp1X/Cpp1X/Cpp1X.vcxproj
+<?xml version="1.0" encoding="utf-8"?>
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+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
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+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
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+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
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+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>16.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{36c5d7ed-5359-4ff6-ab22-f443a8e82f54}</ProjectGuid>
+    <RootNamespace>Cpp1X</RootNamespace>
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+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
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+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <LanguageStandard>stdcpp20</LanguageStandard>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
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+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="Cpp1X.cpp" />
+    <ClCompile Include="Lambda.cpp" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
--- a/course/Cpp1X/Cpp1X/Cpp1X.vcxproj.filters
+++ b/course/Cpp1X/Cpp1X/Cpp1X.vcxproj.filters
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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+    <Filter Include="源文件">
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+  <ItemGroup>
+    <ClCompile Include="Cpp1X.cpp">
+      <Filter>源文件</Filter>
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+      <Filter>源文件</Filter>
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+  </ItemGroup>
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\ No newline at end of file
--- a/course/Cpp1X/Cpp1X/Lambda.cpp
+++ b/course/Cpp1X/Cpp1X/Lambda.cpp
+#include <iostream>
+#include <thread>
+#include <vector>
+#include <algorithm>
+#include <string>
+#include <map>
+int LambdaContainer()
+{
+	auto fc = [](const std::string& a, const std::string& b) {
+		return a.length() > b.length();
+	};
+	std::map<std::string, int, decltype(fc)> myMap = { {"apple", 5}, {"banana0", 10}, {"orange", 15} };
+	// 使用迭代器遍历map
+	std::cout << "使用迭代器遍历map：" << std::endl;
+	for (auto it = myMap.begin(); it != myMap.end(); ++it) {
+		std::cout << it->first << " : " << it->second << std::endl;
+	}
+	// 需要C++20支持
+	std::map < std::string, int, decltype([](const std::string& a, const std::string& b) {
+		return a.length() < b.length();
+	}) > myMap2 = { {"apple", 5}, {"banana0", 10}, {"orange", 15} };
+	// 使用范围for循环遍历map
+	std::cout << "\n\n使用范围for循环遍历map：" << std::endl;
+	for (const auto& [key, value] : myMap2) {
+	    std::cout << key << " : " << value << std::endl;
+	}
+	return 0;
+}
+int LambdaThread()
+{
+	// vector 容器存储线程
+	std::vector<std::thread> workers;
+	for (int i = 0; i < 5; i++)
+	{
+		workers.push_back(std::thread([]()
+			{
+				std::cout << "thread function\n";
+			}));
+	}
+	std::cout << "main thread\n";
+	// 通过 for_each 循环每一个线程
+	// 第三个参数赋值一个task任务
+	// 符号'[]'会告诉编译器我们正在用一个匿名函数
+	// lambda函数将它的参数作为线程的引用t
+	// 然后一个一个的join
+	std::for_each(workers.begin(), workers.end(), [](std::thread& t)
+		{
+			t.join();
+		});
+	return 0;
+}