libstdc++: std::is_placeholder< _Placeholder< _Num > > Struct Template Reference

libstdc++

std::is_placeholder< _Placeholder< _Num > > Struct Template Reference
Utilities » Function Objects » Binder Classes

`#include <functional>`

Inheritance diagram for std::is_placeholder< _Placeholder< _Num > >:
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## Public Types
using | type
using | value_type

## Public Member Functions
constexpr | operator value_type () const noexcept

## Static Public Attributes
static constexpr int | value

## Detailed Description

template<int _Num>
struct std::is_placeholder< _Placeholder< _Num > >

Partial specialization of is_placeholder that provides the placeholder number for the placeholder objects defined by libstdc++.

Since
  C++11

Definition at line 347 of file functional.

## Member Typedef Documentation

## ◆ type

using std::integral_constant< int, __v >::type

Definition at line 99 of file type_traits.

## ◆ value_type

using std::integral_constant< int, __v >::value_type

Definition at line 98 of file type_traits.

## Member Function Documentation

## ◆ operator value_type()

std::integral_constant< int, __v >::operator value_type | ( |  | ) | const
| inlineconstexprnoexcept

Definition at line 100 of file type_traits.

## Member Data Documentation

## ◆ value

int std::integral_constant< int, __v >::value
| staticconstexpr

Definition at line 97 of file type_traits.

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

- functional