std::error_condition:: operator bool

From cppreference.net

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

Vérifie si la valeur d'erreur stockée est différente de zéro.

(aucun)

true si value ! = 0 , false sinon.

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Member functions
error_condition::error_condition
error_condition::operator=
error_condition::assign
error_condition::clear
error_condition::value
error_condition::category
error_condition::message
error_condition::operator bool
Non-member functions
operator== operator!= operator< operator<=> (until C++20) (until C++20) (C++20)
Helper classes
is_error_condition_enum
hash <std::error_condition>