__gnu_cxx::_ExtPtr_allocator< _Tp >

Section: C Library Functions (3)
Updated: Wed Apr 17 2019
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NAME

__gnu_cxx::_ExtPtr_allocator< _Tp > - An example allocator which uses a non-standard pointer type.

This allocator specifies that containers use a 'relative pointer' as it's pointer type. (See ext/pointer.h) Memory allocation in this example is still performed using std::allocator.

SYNOPSIS

Public Types

typedef _Pointer_adapter< _Relative_pointer_impl< const _Tp > > const_pointer

typedef const _Tp & const_reference

typedef std::ptrdiff_t difference_type

typedef _Pointer_adapter< _Relative_pointer_impl< _Tp > > pointer

typedef _Tp & reference

typedef std::size_t size_type

typedef _Tp value_type

Public Member Functions

_ExtPtr_allocator (const _ExtPtr_allocator &__rarg) noexcept

template<typename _Up > _ExtPtr_allocator (const _ExtPtr_allocator< _Up > &__rarg) noexcept

const std::allocator< _Tp > & _M_getUnderlyingImp () const

pointer address (reference __x) const noexcept

const_pointer address (const_reference __x) const noexcept

pointer allocate (size_type __n, void *__hint=0)

template<typename _Up , typename... _Args> void construct (_Up *__p, _Args &&... __args)

template<typename... _Args> void construct (pointer __p, _Args &&... __args)

void deallocate (pointer __p, size_type __n)

template<typename _Up > void destroy (_Up *__p)

void destroy (pointer __p)

size_type max_size () const noexcept

template<typename _Up > bool operator!= (const _ExtPtr_allocator< _Up > &__rarg)

bool operator!= (const _ExtPtr_allocator &__rarg)

template<typename _Up > bool operator== (const _ExtPtr_allocator< _Up > &__rarg)

bool operator== (const _ExtPtr_allocator &__rarg)

Friends

template<typename _Up > void swap (_ExtPtr_allocator< _Up > &, _ExtPtr_allocator< _Up > &)

Detailed Description

template<typename _Tp>

class __gnu_cxx::_ExtPtr_allocator< _Tp >" An example allocator which uses a non-standard pointer type.

This allocator specifies that containers use a 'relative pointer' as it's pointer type. (See ext/pointer.h) Memory allocation in this example is still performed using std::allocator.

Definition at line 56 of file extptr_allocator.h.

Author

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