1// -*- C++ -*- 2//===----------------------- initializer_list -----------------------------===// 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 <__config> 46#include <cstddef> 47 48#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 49#pragma GCC system_header 50#endif 51 52namespace std // purposefully not versioned 53{ 54 55#ifndef _LIBCPP_CXX03_LANG 56 57template<class _Ep> 58class _LIBCPP_TEMPLATE_VIS initializer_list 59{ 60 const _Ep* __begin_; 61 size_t __size_; 62 63 _LIBCPP_INLINE_VISIBILITY 64 _LIBCPP_CONSTEXPR_AFTER_CXX11 65 initializer_list(const _Ep* __b, size_t __s) _NOEXCEPT 66 : __begin_(__b), 67 __size_(__s) 68 {} 69public: 70 typedef _Ep value_type; 71 typedef const _Ep& reference; 72 typedef const _Ep& const_reference; 73 typedef size_t size_type; 74 75 typedef const _Ep* iterator; 76 typedef const _Ep* const_iterator; 77 78 _LIBCPP_INLINE_VISIBILITY 79 _LIBCPP_CONSTEXPR_AFTER_CXX11 80 initializer_list() _NOEXCEPT : __begin_(nullptr), __size_(0) {} 81 82 _LIBCPP_INLINE_VISIBILITY 83 _LIBCPP_CONSTEXPR_AFTER_CXX11 84 size_t size() const _NOEXCEPT {return __size_;} 85 86 _LIBCPP_INLINE_VISIBILITY 87 _LIBCPP_CONSTEXPR_AFTER_CXX11 88 const _Ep* begin() const _NOEXCEPT {return __begin_;} 89 90 _LIBCPP_INLINE_VISIBILITY 91 _LIBCPP_CONSTEXPR_AFTER_CXX11 92 const _Ep* end() const _NOEXCEPT {return __begin_ + __size_;} 93}; 94 95template<class _Ep> 96inline _LIBCPP_INLINE_VISIBILITY 97_LIBCPP_CONSTEXPR_AFTER_CXX11 98const _Ep* 99begin(initializer_list<_Ep> __il) _NOEXCEPT 100{ 101 return __il.begin(); 102} 103 104template<class _Ep> 105inline _LIBCPP_INLINE_VISIBILITY 106_LIBCPP_CONSTEXPR_AFTER_CXX11 107const _Ep* 108end(initializer_list<_Ep> __il) _NOEXCEPT 109{ 110 return __il.end(); 111} 112 113#endif // !defined(_LIBCPP_CXX03_LANG) 114 115} // std 116 117#endif // _LIBCPP_INITIALIZER_LIST 118