std::optional<T>::reset

< cpp‎ | utility‎ | optional
 
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std::optional
 
void reset() noexcept;
 (since C++17)

If *this contains a value, destroy that value as if by value().T::~T(). Otherwise, there are no effects.

*this does not contain a value after this call.

See also

assigns contents
(public member function)