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std::make_error_code(std::future_errc)

STD：使[医]误差[医]代码%28std：：未来[医]ERRC%29

Defined in header ​​
std::error_code make_error_code( std::future_errc e ​(since C++11)

构造一个std::error_code从类型的值中提取std::future_errc好像是通过：

std::error_code(static_cast<int>(e),std::future_category())...

的构造函数调用此函数。std::error_code当给一个std::future_errc争论。

参数

e-error code number

返回值

类型值std::error_code保存错误代码号的e与错误类别关联"future"...

例

另见

error_code (C++11)holds a platform-dependent error code (class)
future_errc (C++11)identifies the future error codes (enum)

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