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std::future_category

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Defined in header <future>
const std::error_category& future_category() noexcept;
(since C++11)

Obtains a reference to the static error category object for the errors related to futures and promises. The object is required to override the virtual function error_category::name() to return a pointer to the string "future". It is used to identify error codes provided in the exceptions of type std::future_error.

Contents

[edit] Parameters

(none)

[edit] Return value

A reference to the static object of unspecified runtime type, derived from std::error_category.

[edit] Example

[edit] See also

identifies the future error codes
(enum) [edit]
reports an error related to futures or promises
(class) [edit]
base class for error categories
(class) [edit]