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std::pointer_traits< _Ptr >(3cxx) std::pointer_traits< _Ptr >(3cxx)

NAME

std::pointer_traits< _Ptr > - Uniform interface to all pointer-like types.

SYNOPSIS

#include <memory>

Inherits std::__ptr_traits_impl< _Ptr, _Elt >.

Public Types


using difference_type = typename __difference< _Ptr >::type
The type used to represent the difference between two pointers. using element_type = _Elt
The type pointed to. using pointer = _Ptr
The pointer type. template<typename _Up > using rebind = typename __rebind< _Ptr, _Up >::type
A pointer to a different type.

Static Public Member Functions


static pointer pointer_to (element_type &__e)
Obtain a pointer to an object.

Detailed Description

template<typename _Ptr>

struct std::pointer_traits< _Ptr >"Uniform interface to all pointer-like types.

Since

C++11

Definition at line 194 of file memory.

Member Typedef Documentation

template<typename _Ptr , typename _Elt > using std::__ptr_traits_impl< _Ptr, _Elt >::difference_type = typename __difference<_Ptr>::type [inherited]

The type used to represent the difference between two pointers.

Definition at line 175 of file memory.

template<typename _Ptr , typename _Elt > using std::__ptr_traits_impl< _Ptr, _Elt >::element_type = _Elt [inherited]

The type pointed to.

Definition at line 172 of file memory.

template<typename _Ptr , typename _Elt > using std::__ptr_traits_impl< _Ptr, _Elt >::pointer = _Ptr [inherited]

The pointer type.

Definition at line 169 of file memory.

template<typename _Ptr , typename _Elt > template<typename _Up > using std::__ptr_traits_impl< _Ptr, _Elt >::rebind = typename __rebind<_Ptr, _Up>::type [inherited]

A pointer to a different type.

Definition at line 179 of file memory.

Member Function Documentation

template<typename _Ptr , typename _Elt , bool = is_void<_Elt>::value> static pointer std::__ptr_traits_ptr_to< _Ptr, _Elt, bool >::pointer_to (element_type & __e) [inline], [static], [inherited]

Obtain a pointer to an object.

Parameters

__r A reference to an object of type element_type

Returns

pointer::pointer_to(__e)

Precondition

pointer::pointer_to(__e) is a valid expression.

Definition at line 108 of file memory.

Author

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Sat Dec 3 2022 libstdc++