std::experimental::optional<T>:: operator bool
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cpp
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experimental
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optional
C++
Experimental
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std::experimental::optional
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optional::operator bool
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constexpr
explicit
operator
bool
(
)
const
noexcept
;
|
(spécifications techniques des bibliothèques fondamentales) | |
Vérifie si * this contient une valeur.
Paramètres
(aucun)
Valeur de retour
true si * this contient une valeur, false si * this ne contient pas de valeur.