std::is_placeholder man page

std::is_placeholder< _Tp > — Determines if the given type _Tp is a placeholder in a bind() expression and, if so, which placeholder it is.

Synopsis

Inherits std::integral_constant< int, 0 >.

Public Types

typedef integral_constant< int, __v > type

typedef int value_type

Public Member Functions

constexpr operator value_type () const

constexpr value_type operator() () const

Static Public Attributes

static constexpr int value

Detailed Description

template<typename _Tp>

struct std::is_placeholder< _Tp >" Determines if the given type _Tp is a placeholder in a bind() expression and, if so, which placeholder it is.

C++11 [func.bind.isplace].

Definition at line 681 of file functional.

Author

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Info

Fri Sep 16 2016 libstdc++