1 // std::initializer_list support -*- C++ -*-
3 // Copyright (C) 2008-2024 Free Software Foundation, Inc.
5 // This file is part of GCC.
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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 #include <bits/c++config.h>
41 namespace std _GLIBCXX_VISIBILITY(default)
45 class initializer_list
48 typedef _E value_type;
49 typedef const _E& reference;
50 typedef const _E& const_reference;
51 typedef size_t size_type;
52 typedef const _E* iterator;
53 typedef const _E* const_iterator;
59 // The compiler can call a private constructor.
60 constexpr initializer_list(const_iterator __a, size_type __l)
61 : _M_array(__a), _M_len(__l) { }
64 constexpr initializer_list() noexcept
65 : _M_array(0), _M_len(0) { }
67 // Number of elements.
69 size() const noexcept { return _M_len; }
72 constexpr const_iterator
73 begin() const noexcept { return _M_array; }
75 // One past the last element.
76 constexpr const_iterator
77 end() const noexcept { return begin() + size(); }
81 * @brief Return an iterator pointing to the first element of
82 * the initializer_list.
83 * @param __ils Initializer list.
84 * @relates initializer_list
88 begin(initializer_list<_Tp> __ils) noexcept
89 { return __ils.begin(); }
92 * @brief Return an iterator pointing to one past the last element
93 * of the initializer_list.
94 * @param __ils Initializer list.
95 * @relates initializer_list
99 end(initializer_list<_Tp> __ils) noexcept
100 { return __ils.end(); }
105 #endif // _INITIALIZER_LIST