1fe6060f1SDimitry Andric // -*- C++ -*-
2fe6060f1SDimitry Andric //===----------------------------------------------------------------------===//
3fe6060f1SDimitry Andric //
4fe6060f1SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5fe6060f1SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
6fe6060f1SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7fe6060f1SDimitry Andric //
8fe6060f1SDimitry Andric //===----------------------------------------------------------------------===//
9fe6060f1SDimitry Andric
10fe6060f1SDimitry Andric #ifndef _LIBCPP___FUNCTIONAL_BINDER2ND_H
11fe6060f1SDimitry Andric #define _LIBCPP___FUNCTIONAL_BINDER2ND_H
12fe6060f1SDimitry Andric
13fe6060f1SDimitry Andric #include <__config>
14fe6060f1SDimitry Andric #include <__functional/unary_function.h>
15fe6060f1SDimitry Andric
16fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17fe6060f1SDimitry Andric # pragma GCC system_header
18fe6060f1SDimitry Andric #endif
19fe6060f1SDimitry Andric
20fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD
21fe6060f1SDimitry Andric
22fe6060f1SDimitry Andric #if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS)
23fe6060f1SDimitry Andric
2406c3fb27SDimitry Andric template <class _Operation>
25fe6060f1SDimitry Andric class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 binder2nd
26*cb14a3feSDimitry Andric : public __unary_function<typename _Operation::first_argument_type, typename _Operation::result_type> {
27fe6060f1SDimitry Andric protected:
2806c3fb27SDimitry Andric _Operation op;
2906c3fb27SDimitry Andric typename _Operation::second_argument_type value;
30*cb14a3feSDimitry Andric
31fe6060f1SDimitry Andric public:
binder2nd(const _Operation & __x,const typename _Operation::second_argument_type __y)32*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI binder2nd(const _Operation& __x, const typename _Operation::second_argument_type __y)
33fe6060f1SDimitry Andric : op(__x), value(__y) {}
34*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI typename _Operation::result_type
operator()35*cb14a3feSDimitry Andric operator()(typename _Operation::first_argument_type& __x) const {
36*cb14a3feSDimitry Andric return op(__x, value);
37*cb14a3feSDimitry Andric }
38*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI typename _Operation::result_type
operator()39*cb14a3feSDimitry Andric operator()(const typename _Operation::first_argument_type& __x) const {
40*cb14a3feSDimitry Andric return op(__x, value);
41*cb14a3feSDimitry Andric }
42fe6060f1SDimitry Andric };
43fe6060f1SDimitry Andric
4406c3fb27SDimitry Andric template <class _Operation, class _Tp>
45*cb14a3feSDimitry Andric _LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_HIDE_FROM_ABI binder2nd<_Operation>
bind2nd(const _Operation & __op,const _Tp & __x)46*cb14a3feSDimitry Andric bind2nd(const _Operation& __op, const _Tp& __x) {
47*cb14a3feSDimitry Andric return binder2nd<_Operation>(__op, __x);
48*cb14a3feSDimitry Andric }
49fe6060f1SDimitry Andric
50fe6060f1SDimitry Andric #endif // _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS)
51fe6060f1SDimitry Andric
52fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD
53fe6060f1SDimitry Andric
54fe6060f1SDimitry Andric #endif // _LIBCPP___FUNCTIONAL_BINDER2ND_H
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