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4108f6c42d
- 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
52 lines
1.1 KiB
C++
52 lines
1.1 KiB
C++
//
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// 9.1.noexcept.cpp
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// chapter 09 others
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// modern c++ 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 <iostream>
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void may_throw() {
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throw true;
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}
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auto non_block_throw = []{
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may_throw();
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};
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void no_throw() noexcept {
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return;
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}
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auto block_throw = []() noexcept {
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no_throw();
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};
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int main()
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{
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std::cout << std::boolalpha
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<< "may_throw() noexcept? " << noexcept(may_throw()) << std::endl
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<< "no_throw() noexcept? " << noexcept(no_throw()) << std::endl
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<< "lmay_throw() noexcept? " << noexcept(non_block_throw()) << std::endl
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<< "lno_throw() noexcept? " << noexcept(block_throw()) << std::endl;
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try {
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may_throw();
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} catch (...) {
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std::cout << "exception captured from my_throw()" << std::endl;
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}
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try {
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non_block_throw();
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} catch (...) {
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std::cout << "exception captured from non_block_throw()" << std::endl;
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}
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try {
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block_throw();
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} catch (...) {
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std::cout << "exception captured from block_throw()" << std::endl;
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}
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}
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