namespace std
{
/**
* @brief The "standard" allocator, as per [20.4].
*
* The private _Alloc is "SGI" style. (See comments at the top
* of stl_alloc.h.)
*
* The underlying allocator behaves as follows.
* - __default_alloc_template is used via two typedefs
* - "__single_client_alloc" typedef does no locking for threads
* - "__alloc" typedef is threadsafe via the locks
* - __new_alloc is used for memory requests
*
* (See @link Allocators allocators info @endlink for more.)
*/
template<typename _Tp>
class allocator
{
public:
typedef size_t size_type;
typedef ptrdiff_t difference_type;
typedef _Tp* pointer;
typedef const _Tp* const_pointer;
typedef _Tp& reference;
typedef const _Tp& const_reference;
typedef _Tp value_type;
template<typename _Tp1>
struct rebind;
allocator() throw();
allocator(const allocator&) throw();
template<typename _Tp1>
allocator(const allocator<_Tp1>&) throw();
~allocator() throw();
pointer
address(reference __x) const;
const_pointer
address(const_reference __x) const;
// NB: __n is permitted to be 0. The C++ standard says nothing
// about what the return value is when __n == 0.
_Tp*
allocate(size_type __n, const void* = 0);
// __p is not permitted to be a null pointer.
void
deallocate(pointer __p, size_type __n);
size_type
max_size() const throw();
void construct(pointer __p, const _Tp& __val);
void destroy(pointer __p);
};
template<>
class allocator<void>
{
public:
typedef size_t size_type;
typedef ptrdiff_t difference_type;
typedef void* pointer;
typedef const void* const_pointer;
typedef void value_type;
template<typename _Tp1>
struct rebind;
};
} // namespace std
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