Namespaces
Variants

C++ identifier with special meaning: import (since C++20)

From cppreference.net
C++ language
General topics
Flow control
Conditional execution statements
Iteration statements (loops)
Jump statements
Functions
Function declaration
Lambda function expression
inline specifier
Dynamic exception specifications ( until C++17* )
noexcept specifier (C++11)
Exceptions
Namespaces
Types
Specifiers
constexpr (C++11)
consteval (C++20)
constinit (C++20)
Storage duration specifiers
Initialization
Expressions
Alternative representations
Literals
Boolean - Integer - Floating-point
Character - String - nullptr (C++11)
User-defined (C++11)
Utilities
Attributes (C++11)
Types
typedef declaration
Type alias declaration (C++11)
Casts
Memory allocation
Classes
Class-specific function properties
Special member functions
Templates
Miscellaneous

目录

用法

注释

功能测试宏 标准 功能
__cpp_modules 201907L (C++20) 模块 — 核心语言支持

示例

export module foo;
import bar;   // 导入模块 bar 的所有模块接口单元
import :baz;  // 导入模块 foo 中名为 baz 的模块分区
import <set>; // 导入由头文件 <set> 生成的合成头文件单元

参见