1// -*- C++ -*-
2//===----------------------- initializer_list -----------------------------===//
3//
4// The LLVM Compiler Infrastructure
5//
6// This file is dual licensed under the MIT and the University of Illinois Open
7// Source Licenses. See LICENSE.TXT for details.
8//
9//===----------------------------------------------------------------------===//
10
11#ifndef _LIBCPP_INITIALIZER_LIST
12#define _LIBCPP_INITIALIZER_LIST
13
14/*
15 initializer_list synopsis
16
17namespace std
18{
19
20template<class E>
21class initializer_list
22{
23public:
24 typedef E value_type;
25 typedef const E& reference;
26 typedef const E& const_reference;
27 typedef size_t size_type;
28
29 typedef const E* iterator;
30 typedef const E* const_iterator;
31
32 initializer_list() noexcept; // constexpr in C++14
33
34 size_t size() const noexcept; // constexpr in C++14
35 const E* begin() const noexcept; // constexpr in C++14
36 const E* end() const noexcept; // constexpr in C++14
37};
38
39template<class E> const E* begin(initializer_list<E> il) noexcept; // constexpr in C++14
40template<class E> const E* end(initializer_list<E> il) noexcept; // constexpr in C++14
41
42} // std
43
44*/
45
46#include <__config>
47#include <cstddef>
48
49#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
50#pragma GCC system_header
51#endif
52
53namespace std // purposefully not versioned
54{
55
56#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
57
58template<class _Ep>
59class _LIBCPP_TYPE_VIS_ONLY initializer_list
60{
61 const _Ep* __begin_;
62 size_t __size_;
63
64 _LIBCPP_ALWAYS_INLINE
65 _LIBCPP_CONSTEXPR_AFTER_CXX11
66 initializer_list(const _Ep* __b, size_t __s) _NOEXCEPT
67 : __begin_(__b),
68 __size_(__s)
69 {}
70public:
71 typedef _Ep value_type;
72 typedef const _Ep& reference;
73 typedef const _Ep& const_reference;
74 typedef size_t size_type;
75
76 typedef const _Ep* iterator;
77 typedef const _Ep* const_iterator;
78
79 _LIBCPP_ALWAYS_INLINE
80 _LIBCPP_CONSTEXPR_AFTER_CXX11
81 initializer_list() _NOEXCEPT : __begin_(nullptr), __size_(0) {}
82
83 _LIBCPP_ALWAYS_INLINE
84 _LIBCPP_CONSTEXPR_AFTER_CXX11
85 size_t size() const _NOEXCEPT {return __size_;}
86
87 _LIBCPP_ALWAYS_INLINE
88 _LIBCPP_CONSTEXPR_AFTER_CXX11
89 const _Ep* begin() const _NOEXCEPT {return __begin_;}
90
91 _LIBCPP_ALWAYS_INLINE
92 _LIBCPP_CONSTEXPR_AFTER_CXX11
93 const _Ep* end() const _NOEXCEPT {return __begin_ + __size_;}
94};
95
96template<class _Ep>
97inline _LIBCPP_INLINE_VISIBILITY
98_LIBCPP_CONSTEXPR_AFTER_CXX11
99const _Ep*
100begin(initializer_list<_Ep> __il) _NOEXCEPT
101{
102 return __il.begin();
103}
104
105template<class _Ep>
106inline _LIBCPP_INLINE_VISIBILITY
107_LIBCPP_CONSTEXPR_AFTER_CXX11
108const _Ep*
109end(initializer_list<_Ep> __il) _NOEXCEPT
110{
111 return __il.end();
112}
113
114#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
115
116} // std
117
118#endif // _LIBCPP_INITIALIZER_LIST
119