std::future_category
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
See also
|
(C++11) | identifies the future error codes (enum) |
|
(C++11) | reports an error related to futures or promises (class) |
|
(C++11) | base class for error categories (class) |
© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
https://en.cppreference.com/cpp/thread/future_category
