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1// -*- C++ -*-
2//===----------------------------------------------------------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef _LIBCPP___CXX03___FUNCTIONAL_MEM_FUN_REF_H
11#define _LIBCPP___CXX03___FUNCTIONAL_MEM_FUN_REF_H
12
13#include <__cxx03/__config>
14#include <__cxx03/__functional/binary_function.h>
15#include <__cxx03/__functional/unary_function.h>
16
17#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
18# pragma GCC system_header
19#endif
20
21_LIBCPP_BEGIN_NAMESPACE_STD
22
23template <class _Sp, class _Tp>
24class _LIBCPP_TEMPLATE_VIS mem_fun_t : public __unary_function<_Tp*, _Sp> {
25 _Sp (_Tp::*__p_)();
26
27public:
28 _LIBCPP_HIDE_FROM_ABI explicit mem_fun_t(_Sp (_Tp::*__p)()) : __p_(__p) {}
29 _LIBCPP_HIDE_FROM_ABI _Sp operator()(_Tp* __p) const { return (__p->*__p_)(); }
30};
31
32template <class _Sp, class _Tp, class _Ap>
33class _LIBCPP_TEMPLATE_VIS mem_fun1_t : public __binary_function<_Tp*, _Ap, _Sp> {
34 _Sp (_Tp::*__p_)(_Ap);
35
36public:
37 _LIBCPP_HIDE_FROM_ABI explicit mem_fun1_t(_Sp (_Tp::*__p)(_Ap)) : __p_(__p) {}
38 _LIBCPP_HIDE_FROM_ABI _Sp operator()(_Tp* __p, _Ap __x) const { return (__p->*__p_)(__x); }
39};
40
41template <class _Sp, class _Tp>
42inline _LIBCPP_HIDE_FROM_ABI mem_fun_t<_Sp, _Tp> mem_fun(_Sp (_Tp::*__f)()) {
43 return mem_fun_t<_Sp, _Tp>(__f);
44}
45
46template <class _Sp, class _Tp, class _Ap>
47inline _LIBCPP_HIDE_FROM_ABI mem_fun1_t<_Sp, _Tp, _Ap> mem_fun(_Sp (_Tp::*__f)(_Ap)) {
48 return mem_fun1_t<_Sp, _Tp, _Ap>(__f);
49}
50
51template <class _Sp, class _Tp>
52class _LIBCPP_TEMPLATE_VIS mem_fun_ref_t : public __unary_function<_Tp, _Sp> {
53 _Sp (_Tp::*__p_)();
54
55public:
56 _LIBCPP_HIDE_FROM_ABI explicit mem_fun_ref_t(_Sp (_Tp::*__p)()) : __p_(__p) {}
57 _LIBCPP_HIDE_FROM_ABI _Sp operator()(_Tp& __p) const { return (__p.*__p_)(); }
58};
59
60template <class _Sp, class _Tp, class _Ap>
61class _LIBCPP_TEMPLATE_VIS mem_fun1_ref_t : public __binary_function<_Tp, _Ap, _Sp> {
62 _Sp (_Tp::*__p_)(_Ap);
63
64public:
65 _LIBCPP_HIDE_FROM_ABI explicit mem_fun1_ref_t(_Sp (_Tp::*__p)(_Ap)) : __p_(__p) {}
66 _LIBCPP_HIDE_FROM_ABI _Sp operator()(_Tp& __p, _Ap __x) const { return (__p.*__p_)(__x); }
67};
68
69template <class _Sp, class _Tp>
70inline _LIBCPP_HIDE_FROM_ABI mem_fun_ref_t<_Sp, _Tp> mem_fun_ref(_Sp (_Tp::*__f)()) {
71 return mem_fun_ref_t<_Sp, _Tp>(__f);
72}
73
74template <class _Sp, class _Tp, class _Ap>
75inline _LIBCPP_HIDE_FROM_ABI mem_fun1_ref_t<_Sp, _Tp, _Ap> mem_fun_ref(_Sp (_Tp::*__f)(_Ap)) {
76 return mem_fun1_ref_t<_Sp, _Tp, _Ap>(__f);
77}
78
79template <class _Sp, class _Tp>
80class _LIBCPP_TEMPLATE_VIS const_mem_fun_t : public __unary_function<const _Tp*, _Sp> {
81 _Sp (_Tp::*__p_)() const;
82
83public:
84 _LIBCPP_HIDE_FROM_ABI explicit const_mem_fun_t(_Sp (_Tp::*__p)() const) : __p_(__p) {}
85 _LIBCPP_HIDE_FROM_ABI _Sp operator()(const _Tp* __p) const { return (__p->*__p_)(); }
86};
87
88template <class _Sp, class _Tp, class _Ap>
89class _LIBCPP_TEMPLATE_VIS const_mem_fun1_t : public __binary_function<const _Tp*, _Ap, _Sp> {
90 _Sp (_Tp::*__p_)(_Ap) const;
91
92public:
93 _LIBCPP_HIDE_FROM_ABI explicit const_mem_fun1_t(_Sp (_Tp::*__p)(_Ap) const) : __p_(__p) {}
94 _LIBCPP_HIDE_FROM_ABI _Sp operator()(const _Tp* __p, _Ap __x) const { return (__p->*__p_)(__x); }
95};
96
97template <class _Sp, class _Tp>
98inline _LIBCPP_HIDE_FROM_ABI const_mem_fun_t<_Sp, _Tp> mem_fun(_Sp (_Tp::*__f)() const) {
99 return const_mem_fun_t<_Sp, _Tp>(__f);
100}
101
102template <class _Sp, class _Tp, class _Ap>
103inline _LIBCPP_HIDE_FROM_ABI const_mem_fun1_t<_Sp, _Tp, _Ap> mem_fun(_Sp (_Tp::*__f)(_Ap) const) {
104 return const_mem_fun1_t<_Sp, _Tp, _Ap>(__f);
105}
106
107template <class _Sp, class _Tp>
108class _LIBCPP_TEMPLATE_VIS const_mem_fun_ref_t : public __unary_function<_Tp, _Sp> {
109 _Sp (_Tp::*__p_)() const;
110
111public:
112 _LIBCPP_HIDE_FROM_ABI explicit const_mem_fun_ref_t(_Sp (_Tp::*__p)() const) : __p_(__p) {}
113 _LIBCPP_HIDE_FROM_ABI _Sp operator()(const _Tp& __p) const { return (__p.*__p_)(); }
114};
115
116template <class _Sp, class _Tp, class _Ap>
117class _LIBCPP_TEMPLATE_VIS const_mem_fun1_ref_t : public __binary_function<_Tp, _Ap, _Sp> {
118 _Sp (_Tp::*__p_)(_Ap) const;
119
120public:
121 _LIBCPP_HIDE_FROM_ABI explicit const_mem_fun1_ref_t(_Sp (_Tp::*__p)(_Ap) const) : __p_(__p) {}
122 _LIBCPP_HIDE_FROM_ABI _Sp operator()(const _Tp& __p, _Ap __x) const { return (__p.*__p_)(__x); }
123};
124
125template <class _Sp, class _Tp>
126inline _LIBCPP_HIDE_FROM_ABI const_mem_fun_ref_t<_Sp, _Tp> mem_fun_ref(_Sp (_Tp::*__f)() const) {
127 return const_mem_fun_ref_t<_Sp, _Tp>(__f);
128}
129
130template <class _Sp, class _Tp, class _Ap>
131inline _LIBCPP_HIDE_FROM_ABI const_mem_fun1_ref_t<_Sp, _Tp, _Ap> mem_fun_ref(_Sp (_Tp::*__f)(_Ap) const) {
132 return const_mem_fun1_ref_t<_Sp, _Tp, _Ap>(__f);
133}
134
135_LIBCPP_END_NAMESPACE_STD
136
137#endif // _LIBCPP___CXX03___FUNCTIONAL_MEM_FUN_REF_H
138

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source code of libcxx/include/__cxx03/__functional/mem_fun_ref.h