blob: 13b2459dff4d0c692549eaee3d5120179e9294b4 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___FUNCTIONAL_BINDER1ST_H
#define _LIBCPP___FUNCTIONAL_BINDER1ST_H
#include <__config>
#include <__functional/unary_function.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS)
template <class __Operation>
class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 binder1st
: public unary_function<typename __Operation::second_argument_type,
typename __Operation::result_type>
{
protected:
__Operation op;
typename __Operation::first_argument_type value;
public:
_LIBCPP_INLINE_VISIBILITY binder1st(const __Operation& __x,
const typename __Operation::first_argument_type __y)
: op(__x), value(__y) {}
_LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator()
(typename __Operation::second_argument_type& __x) const
{return op(value, __x);}
_LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator()
(const typename __Operation::second_argument_type& __x) const
{return op(value, __x);}
};
template <class __Operation, class _Tp>
_LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY
binder1st<__Operation>
bind1st(const __Operation& __op, const _Tp& __x)
{return binder1st<__Operation>(__op, __x);}
#endif // _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS)
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___FUNCTIONAL_BINDER1ST_H
|
