quickcpplib::_xxx::pmr::polymorphic_allocator< T > Class Template Reference

The world's worst C++ 14 emulation of polymorphic_allocator, which maps onto std::allocator. More...

#include "memory_resource.hpp"

Public Types
using	value_type = T

Public Member Functions
	polymorphic_allocator ()=default
	polymorphic_allocator (memory_resource *r)
	polymorphic_allocator (const polymorphic_allocator &o)
template<class U >
	polymorphic_allocator (const polymorphic_allocator< U > &o) noexcept
polymorphic_allocator &	operator= (const polymorphic_allocator &)=delete
memory_resource *	resource () const
QUICKCPPLIB_NODISCARD T *	allocate (size_t n)
void	deallocate (T *p, size_t n)
template<class U , class... Args>
void	construct (U *p, Args &&...args)
template<class U >
void	destroy (U *p)

Friends
template<class U >
class	polymorphic_allocator

Detailed Description

template<class T>
class quickcpplib::_xxx::pmr::polymorphic_allocator< T >

The world's worst C++ 14 emulation of polymorphic_allocator, which maps onto std::allocator.

Member Typedef Documentation

value_type

template<class T >

using quickcpplib::_xxx::pmr::polymorphic_allocator< T >::value_type = T

Constructor & Destructor Documentation

polymorphic_allocator() [1/4]

template<class T >

quickcpplib::_xxx::pmr::polymorphic_allocator< T >::polymorphic_allocator ( )

default

polymorphic_allocator() [2/4]

template<class T >

quickcpplib::_xxx::pmr::polymorphic_allocator< T >::polymorphic_allocator ( memory_resource *  r )

inline

        : _r(r)
    {
    }

polymorphic_allocator() [3/4]

template<class T >

quickcpplib::_xxx::pmr::polymorphic_allocator< T >::polymorphic_allocator ( const polymorphic_allocator< T > &  o )

inline

        : _r(o._r)
    {
    }

polymorphic_allocator() [4/4]

template<class T >

template<class U >

quickcpplib::_xxx::pmr::polymorphic_allocator< T >::polymorphic_allocator ( const polymorphic_allocator< U > &  o )

inlinenoexcept

        : _r(o._r)
    {
    }

Member Function Documentation

operator=()

template<class T >

polymorphic_allocator & quickcpplib::_xxx::pmr::polymorphic_allocator< T >::operator= ( const polymorphic_allocator< T > &  )

delete

resource()

template<class T >

memory_resource * quickcpplib::_xxx::pmr::polymorphic_allocator< T >::resource ( ) const

inline

{ return _r; }

allocate()

template<class T >

QUICKCPPLIB_NODISCARD T * quickcpplib::_xxx::pmr::polymorphic_allocator< T >::allocate ( size_t  n )

inline

    {
      return static_cast<T *>(resource()->allocate(n * sizeof(T), alignof(T)));
    }

deallocate()

template<class T >

void quickcpplib::_xxx::pmr::polymorphic_allocator< T >::deallocate ( T *  p, size_t  n  )

inline

{ resource()->deallocate(p, n * sizeof(T), alignof(T)); }

construct()

template<class T >

template<class U , class... Args>

void quickcpplib::_xxx::pmr::polymorphic_allocator< T >::construct ( U *  p, Args &&...  args  )

inline

{ new(p) U(static_cast<Args &&>(args)...); }

destroy()

template<class T >

template<class U >

void quickcpplib::_xxx::pmr::polymorphic_allocator< T >::destroy ( U *  p )

inline

{ p->~U(); }

Friends And Related Symbol Documentation

polymorphic_allocator

template<class T >

template<class U >

friend class polymorphic_allocator

friend

---

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

• include/quickcpplib/memory_resource.hpp