sairate
c34823a3bd
- 新增现代 C++ 教程的 Preface 章节，包括英文和中文版本 - 添加 C++ Primer 练习代码 - 新增 Learn C++ 教程的 C++ 开发简介章节 - 添加头文件解析文档 - 更新 mkdocs.yml，包含新教程的目录结构 - 修改项目设置，使用 Python 3.10环境
43 lines
992 B
C++
43 lines
992 B
C++
//
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// 2.6.auto.cpp
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// chapter 2 language usability
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// modern cpp tutorial
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//
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// created by changkun at changkun.de
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// https://github.com/changkun/modern-cpp-tutorial
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//
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#include <initializer_list>
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#include <vector>
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#include <iostream>
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class MagicFoo {
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public:
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std::vector<int> vec;
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MagicFoo(std::initializer_list<int> list) {
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for (auto it = list.begin(); it != list.end(); ++it) {
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vec.push_back(*it);
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}
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}
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};
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int add(auto x, auto y) { // Supported in C++20
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return x+y;
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}
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int main() {
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MagicFoo magicFoo = {1, 2, 3, 4, 5};
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std::cout << "magicFoo: ";
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for (auto it = magicFoo.vec.begin(); it != magicFoo.vec.end(); ++it) {
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std::cout << *it << ", ";
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}
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std::cout << std::endl;
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auto i = 5; // type int
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auto j = 6; // type int
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std::cout << add(i, j) << std::endl;
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auto arr = new auto(10); // type int*
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// auto auto_arr2[10] = {arr}; // invalid
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return 0;
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} |