1 // std::placeholders -*- C++ -*-
2 
3 // Copyright (C) 2011-2017 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library.  This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10 
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 // GNU General Public License for more details.
15 
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
19 
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23 // <http://www.gnu.org/licenses/>.
24 
25 #if __cplusplus < 201103L
26 # error "placeholders.cc must be compiled with -std=gnu++0x"
27 #endif
28 
29 #include <functional>
30 
31 namespace std _GLIBCXX_VISIBILITY(default)
32 {
33   namespace placeholders
34   {
35   _GLIBCXX_BEGIN_NAMESPACE_VERSION
36     extern const _Placeholder<1> _1{};
37     extern const _Placeholder<2> _2{};
38     extern const _Placeholder<3> _3{};
39     extern const _Placeholder<4> _4{};
40     extern const _Placeholder<5> _5{};
41     extern const _Placeholder<6> _6{};
42     extern const _Placeholder<7> _7{};
43     extern const _Placeholder<8> _8{};
44     extern const _Placeholder<9> _9{};
45     extern const _Placeholder<10> _10{};
46     extern const _Placeholder<11> _11{};
47     extern const _Placeholder<12> _12{};
48     extern const _Placeholder<13> _13{};
49     extern const _Placeholder<14> _14{};
50     extern const _Placeholder<15> _15{};
51     extern const _Placeholder<16> _16{};
52     extern const _Placeholder<17> _17{};
53     extern const _Placeholder<18> _18{};
54     extern const _Placeholder<19> _19{};
55     extern const _Placeholder<20> _20{};
56     extern const _Placeholder<21> _21{};
57     extern const _Placeholder<22> _22{};
58     extern const _Placeholder<23> _23{};
59     extern const _Placeholder<24> _24{};
60     extern const _Placeholder<25> _25{};
61     extern const _Placeholder<26> _26{};
62     extern const _Placeholder<27> _27{};
63     extern const _Placeholder<28> _28{};
64     extern const _Placeholder<29> _29{};
65   _GLIBCXX_END_NAMESPACE_VERSION
66   }
67 }
68