W3cubDocs

/C++

std::error_code::operator bool

explicit operator bool() const noexcept;
(since C++11)

Checks if the error value is valid, i.e. non-zero.

Parameters

(none).

Return value

false if value() == 0, true otherwise.

© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
http://en.cppreference.com/w/cpp/error/error_code/operator_bool