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std::is_error_code_enum<std::future_errc>

STD：：是[医]误差[医]代码[医]enum<std：：未来[医]ERRC>

Defined in header ​​
template<> struct is_error_code_enum<std::future_errc> : std::true_type;​(since C++11)

指定std::future_errc是错误代码枚举。这使std::error_code自动转换

另见

is_error_code_enum (C++11)identifies a class as an error_code enumeration (class template)

 © cppreference.com

在CreativeCommonsAttribution下授权-ShareAlike未移植许可v3.0。

http：//en.cppreference.com/w/cpp/线程/前途[医]ERRC/IS[医]误差[医]代码[医]枚举

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