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std::is_error_condition_enum<std::future_errc>

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

Specifies that std::future_errc is an error condition enum. This enables std::error_code and std::error_condition automatic conversions.

[edit] See also

identifies an enumeration as an std::error_condition
(class template) [edit]