1// -*- C++ -*- 2//===----------------------------------------------------------------------===// 3// 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 7// 8//===----------------------------------------------------------------------===// 9 10#ifndef _LIBCPP_INITIALIZER_LIST 11#define _LIBCPP_INITIALIZER_LIST 12 13/* 14 initializer_list synopsis 15 16namespace std 17{ 18 19template<class E> 20class initializer_list 21{ 22public: 23 typedef E value_type; 24 typedef const E& reference; 25 typedef const E& const_reference; 26 typedef size_t size_type; 27 28 typedef const E* iterator; 29 typedef const E* const_iterator; 30 31 initializer_list() noexcept; // constexpr in C++14 32 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 36}; 37 38template<class E> const E* begin(initializer_list<E> il) noexcept; // constexpr in C++14 39template<class E> const E* end(initializer_list<E> il) noexcept; // constexpr in C++14 40 41} // std 42 43*/ 44 45#include <__assert> // all public C++ headers provide the assertion handler 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_CXX03_LANG 57 58template<class _Ep> 59class _LIBCPP_TEMPLATE_VIS initializer_list 60{ 61 const _Ep* __begin_; 62 size_t __size_; 63 64 _LIBCPP_INLINE_VISIBILITY 65 _LIBCPP_CONSTEXPR_SINCE_CXX14 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_INLINE_VISIBILITY 80 _LIBCPP_CONSTEXPR_SINCE_CXX14 81 initializer_list() _NOEXCEPT : __begin_(nullptr), __size_(0) {} 82 83 _LIBCPP_INLINE_VISIBILITY 84 _LIBCPP_CONSTEXPR_SINCE_CXX14 85 size_t size() const _NOEXCEPT {return __size_;} 86 87 _LIBCPP_INLINE_VISIBILITY 88 _LIBCPP_CONSTEXPR_SINCE_CXX14 89 const _Ep* begin() const _NOEXCEPT {return __begin_;} 90 91 _LIBCPP_INLINE_VISIBILITY 92 _LIBCPP_CONSTEXPR_SINCE_CXX14 93 const _Ep* end() const _NOEXCEPT {return __begin_ + __size_;} 94}; 95 96template<class _Ep> 97inline _LIBCPP_INLINE_VISIBILITY 98_LIBCPP_CONSTEXPR_SINCE_CXX14 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_SINCE_CXX14 108const _Ep* 109end(initializer_list<_Ep> __il) _NOEXCEPT 110{ 111 return __il.end(); 112} 113 114#endif // !defined(_LIBCPP_CXX03_LANG) 115 116} // namespace std 117 118#endif // _LIBCPP_INITIALIZER_LIST 119