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 <__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 const _Ep* __begin_; 60 size_t __size_; 61 62 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 initializer_list(const _Ep* __b, size_t __s) _NOEXCEPT 63 : __begin_(__b), 64 __size_(__s) {} 65 66public: 67 typedef _Ep value_type; 68 typedef const _Ep& reference; 69 typedef const _Ep& const_reference; 70 typedef size_t size_type; 71 72 typedef const _Ep* iterator; 73 typedef const _Ep* const_iterator; 74 75 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 initializer_list() _NOEXCEPT : __begin_(nullptr), __size_(0) {} 76 77 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 size_t size() const _NOEXCEPT { return __size_; } 78 79 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const _Ep* begin() const _NOEXCEPT { return __begin_; } 80 81 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const _Ep* end() const _NOEXCEPT { return __begin_ + __size_; } 82}; 83 84template <class _Ep> 85inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const _Ep* begin(initializer_list<_Ep> __il) _NOEXCEPT { 86 return __il.begin(); 87} 88 89template <class _Ep> 90inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const _Ep* end(initializer_list<_Ep> __il) _NOEXCEPT { 91 return __il.end(); 92} 93 94#endif // !defined(_LIBCPP_CXX03_LANG) 95 96} // namespace std 97 98#endif // _LIBCPP_INITIALIZER_LIST 99