1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef _LIBCPP___MEMORY_ALLOCATOR_DESTRUCTOR_H
10 #define _LIBCPP___MEMORY_ALLOCATOR_DESTRUCTOR_H
11 
12 #include <__config>
13 #include <__memory/allocator_traits.h>
14 
15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
16 #  pragma GCC system_header
17 #endif
18 
19 _LIBCPP_BEGIN_NAMESPACE_STD
20 
21 template <class _Alloc>
22 class __allocator_destructor
23 {
24     typedef _LIBCPP_NODEBUG allocator_traits<_Alloc> __alloc_traits;
25 public:
26     typedef _LIBCPP_NODEBUG typename __alloc_traits::pointer pointer;
27     typedef _LIBCPP_NODEBUG typename __alloc_traits::size_type size_type;
28 private:
29     _Alloc& __alloc_;
30     size_type __s_;
31 public:
32     _LIBCPP_HIDE_FROM_ABI __allocator_destructor(_Alloc& __a, size_type __s)
33              _NOEXCEPT
34         : __alloc_(__a), __s_(__s) {}
35     _LIBCPP_HIDE_FROM_ABI
36     void operator()(pointer __p) _NOEXCEPT
37         {__alloc_traits::deallocate(__alloc_, __p, __s_);}
38 };
39 
40 _LIBCPP_END_NAMESPACE_STD
41 
42 #endif // _LIBCPP___MEMORY_ALLOCATOR_DESTRUCTOR_H
43