1 // std::initializer_list support -*- C++ -*-
3 // Copyright (C) 2008-2016 Free Software Foundation, Inc.
5 // This file is part of GCC.
7 // GCC is free software; you can redistribute it and/or modify
8 // it under the terms of the GNU General Public License as published by
9 // the Free Software Foundation; either version 3, or (at your option)
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14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // Under Section 7 of GPL version 3, you are granted additional
18 // permissions described in the GCC Runtime Library Exception, version
19 // 3.1, as published by the Free Software Foundation.
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23 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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26 /** @file initializer_list
27 * This is a Standard C++ Library header.
30 #ifndef _INITIALIZER_LIST
31 #define _INITIALIZER_LIST
33 #pragma GCC system_header
35 #if __cplusplus < 201103L
36 # include <bits/c++0x_warning.h>
39 #pragma GCC visibility push(default)
41 #include <bits/c++config.h>
47 class initializer_list
50 typedef _E value_type;
51 typedef const _E& reference;
52 typedef const _E& const_reference;
53 typedef size_t size_type;
54 typedef const _E* iterator;
55 typedef const _E* const_iterator;
61 // The compiler can call a private constructor.
62 constexpr initializer_list(const_iterator __a, size_type __l)
63 : _M_array(__a), _M_len(__l) { }
66 constexpr initializer_list() noexcept
67 : _M_array(0), _M_len(0) { }
69 // Number of elements.
71 size() const noexcept { return _M_len; }
74 constexpr const_iterator
75 begin() const noexcept { return _M_array; }
77 // One past the last element.
78 constexpr const_iterator
79 end() const noexcept { return begin() + size(); }
83 * @brief Return an iterator pointing to the first element of
84 * the initializer_list.
85 * @param __ils Initializer list.
89 begin(initializer_list<_Tp> __ils) noexcept
90 { return __ils.begin(); }
93 * @brief Return an iterator pointing to one past the last element
94 * of the initializer_list.
95 * @param __ils Initializer list.
99 end(initializer_list<_Tp> __ils) noexcept
100 { return __ils.end(); }
103 #pragma GCC visibility pop
107 #endif // _INITIALIZER_LIST