std::optional::has_value
std::optional::operator bool, std::optional::has_value
constexpr explicit operator bool() const; | (since C++17) | |
constexpr bool has_value() const; | (since C++17) |
Checks whether *this contains a value.
Parameters
(none).
Return value
true if *this contains a value, false if *this does not contain a value.
Exceptions
noexcept specification: noexcept
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