2 //===----------------------- initializer_list -----------------------------===//
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
8 //===----------------------------------------------------------------------===//
10 #ifndef _LIBCPP_INITIALIZER_LIST
11 #define _LIBCPP_INITIALIZER_LIST
14 initializer_list synopsis
20 class initializer_list
24 typedef const E& reference;
25 typedef const E& const_reference;
26 typedef size_t size_type;
28 typedef const E* iterator;
29 typedef const E* const_iterator;
31 initializer_list() noexcept; // constexpr in C++14
33 size_t size() const noexcept; // constexpr in C++14
34 const E* begin() const noexcept; // constexpr in C++14
35 const E* end() const noexcept; // constexpr in C++14
38 template<class E> const E* begin(initializer_list<E> il) noexcept; // constexpr in C++14
39 template<class E> const E* end(initializer_list<E> il) noexcept; // constexpr in C++14
48 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
49 #pragma GCC system_header
52 namespace std // purposefully not versioned
55 #ifndef _LIBCPP_CXX03_LANG
58 class _LIBCPP_TEMPLATE_VIS initializer_list
63 _LIBCPP_INLINE_VISIBILITY
64 _LIBCPP_CONSTEXPR_AFTER_CXX11
65 initializer_list(const _Ep* __b, size_t __s) _NOEXCEPT
70 typedef _Ep value_type;
71 typedef const _Ep& reference;
72 typedef const _Ep& const_reference;
73 typedef size_t size_type;
75 typedef const _Ep* iterator;
76 typedef const _Ep* const_iterator;
78 _LIBCPP_INLINE_VISIBILITY
79 _LIBCPP_CONSTEXPR_AFTER_CXX11
80 initializer_list() _NOEXCEPT : __begin_(nullptr), __size_(0) {}
82 _LIBCPP_INLINE_VISIBILITY
83 _LIBCPP_CONSTEXPR_AFTER_CXX11
84 size_t size() const _NOEXCEPT {return __size_;}
86 _LIBCPP_INLINE_VISIBILITY
87 _LIBCPP_CONSTEXPR_AFTER_CXX11
88 const _Ep* begin() const _NOEXCEPT {return __begin_;}
90 _LIBCPP_INLINE_VISIBILITY
91 _LIBCPP_CONSTEXPR_AFTER_CXX11
92 const _Ep* end() const _NOEXCEPT {return __begin_ + __size_;}
96 inline _LIBCPP_INLINE_VISIBILITY
97 _LIBCPP_CONSTEXPR_AFTER_CXX11
99 begin(initializer_list<_Ep> __il) _NOEXCEPT
105 inline _LIBCPP_INLINE_VISIBILITY
106 _LIBCPP_CONSTEXPR_AFTER_CXX11
108 end(initializer_list<_Ep> __il) _NOEXCEPT
113 #endif // !defined(_LIBCPP_CXX03_LANG)
117 #endif // _LIBCPP_INITIALIZER_LIST