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
;
|
(라이브러리 펀더멘털 TS) | |
* this 가 값을 포함하는지 여부를 확인합니다.
매개변수
(없음)
반환값
true 만약 * this 가 값을 포함하면, false 만약 * this 가 값을 포함하지 않으면.