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 const _Ep* __begin_; 61 size_t __size_; 62 63 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 initializer_list(const _Ep* __b, size_t __s) _NOEXCEPT 64 : __begin_(__b), 65 __size_(__s) {} 66 67public: 68 typedef _Ep value_type; 69 typedef const _Ep& reference; 70 typedef const _Ep& const_reference; 71 typedef size_t size_type; 72 73 typedef const _Ep* iterator; 74 typedef const _Ep* const_iterator; 75 76 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 initializer_list() _NOEXCEPT : __begin_(nullptr), __size_(0) {} 77 78 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 size_t size() const _NOEXCEPT { return __size_; } 79 80 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const _Ep* begin() const _NOEXCEPT { return __begin_; } 81 82 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const _Ep* end() const _NOEXCEPT { return __begin_ + __size_; } 83}; 84 85template <class _Ep> 86inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const _Ep* begin(initializer_list<_Ep> __il) _NOEXCEPT { 87 return __il.begin(); 88} 89 90template <class _Ep> 91inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const _Ep* end(initializer_list<_Ep> __il) _NOEXCEPT { 92 return __il.end(); 93} 94 95#endif // !defined(_LIBCPP_CXX03_LANG) 96 97} // namespace std 98 99#endif // _LIBCPP_INITIALIZER_LIST 100