# std::is_error_code_enum<std::future_errc>

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< cpp‎ | thread‎ | future errc

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

Specifies that std::future_errc is an error code enum. This enables std::error_code automatic conversions.

### See also

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

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