libstdc++: std::hash< experimental::optional< _Tp > > Struct Template Reference

libstdc++

std::hash< experimental::optional< _Tp > > Struct Template Reference

`#include <optional>`

## Public Types
using | argument_type
using | result_type

## Public Member Functions
size_t | operator() (const experimental::optional< _Tp > &__t) const noexcept(noexcept(hash< _Tp > {}(*__t)))

## Detailed Description

template<typename _Tp>
struct std::hash< experimental::optional< _Tp > >

std::hash partial specialization for experimental::optional

Definition at line 918 of file experimental/optional.

## Member Typedef Documentation

## ◆ argument_type

template<typename _Tp>

using std::hash< experimental::optional< _Tp > >::argument_type

Definition at line 921 of file experimental/optional.

## ◆ result_type

template<typename _Tp>

using std::hash< experimental::optional< _Tp > >::result_type

Definition at line 920 of file experimental/optional.

## Member Function Documentation

## ◆ operator()()

template<typename _Tp>

size_t std::hash< experimental::optional< _Tp > >::operator() | ( | const experimental::optional< _Tp > & | __t | ) | const
| inlinenoexcept

Definition at line 924 of file experimental/optional.

The documentation for this struct was generated from the following file:

- experimental/optional