C++关键字
关键字是组成编程语言词汇表的标识符，他们不能用于其他用途，如用作变量名。其中粗体显示的关键字是原先ANSI C99标准中的关键字。
| 关 | 键 | 字 | ||
|---|---|---|---|---|
| alignas | alignof | asm | auto | bool |
| break | case | catch | char | char16_t |
| char32_t | class | const | const_cast | constexpr |
| continue | decltype | default | delete | do |
| double | dynamic_cast | else | enum | explicit |
| export | extern | false | float | for |
| friend | goto | if | inline | int |
| long | mutable | namespace | new | noexcept |
| nullptr | operator | private | protected | public |
| register | reinterpret_cast | return | short | signed |
| sizeof | static | static_assert | static_cast | struct |
| switch | template | this | thread_local | throw |
| true | try | typedef | typeid | typename |
| union | unsigned | using | virtual | void |
| volatile | wchar_t | while |
