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
| Member functions | ||||
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optional::operator bool
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constexpr
explicit
operator
bool
(
)
const
noexcept
;
|
(Library Fundamentals TS) | |
Prüft, ob * this einen Wert enthält.
Parameter
(keine)
Rückgabewert
true falls * this einen Wert enthält, false falls * this keinen Wert enthält.