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std::future_category(3) C++ Standard Libary std::future_category(3)

NAME

std::future_category - std::future_category

Synopsis


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.

Parameters


(none)

Return value


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

Example


This section is incomplete
Reason: no example

See also


future_errc identifies the future error codes
(C++11) (enum)
future_error reports an error related to futures or promises
(C++11) (class)
error_category base class for error categories
(C++11) (class)

2022.07.31 http://cppreference.com