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std::make_error_condition(std::errc)

STD：使[医]误差[医]条件%28 std：：ERRC%29

Defined in header ​​
std::error_condition make_error_condition( std::errc e ​(since C++11)

创建一个错误条件。errc价值e。将错误代码设置为int(e)和错误类别到std::generic_category...

参数

e-standard error code

返回值

错误条件e...

例外

noexcept规格：

noexcept

例

二次

#include <system_error>
#include <string>
#include <iostream>
 
int main()
{
    auto err = std::make_error_condition(std::errc::invalid_argument
    std::cout << err.message() << '\n';
}

二次

可能的产出：

二次

Invalid argument

二次

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http：//en.cppreference.com/w/cpp/Error/ERRC/make[医]误差[医]条件

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