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118 lines
2.8 KiB
C++
118 lines
2.8 KiB
C++
// -*- C++ -*-
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//===----------------------- initializer_list -----------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_INITIALIZER_LIST
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#define _LIBCPP_INITIALIZER_LIST
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/*
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initializer_list synopsis
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namespace std
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{
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template<class E>
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class initializer_list
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{
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public:
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typedef E value_type;
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typedef const E& reference;
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typedef const E& const_reference;
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typedef size_t size_type;
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typedef const E* iterator;
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typedef const E* const_iterator;
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initializer_list() noexcept; // constexpr in C++14
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size_t size() const noexcept; // constexpr in C++14
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const E* begin() const noexcept; // constexpr in C++14
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const E* end() const noexcept; // constexpr in C++14
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};
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template<class E> const E* begin(initializer_list<E> il) noexcept; // constexpr in C++14
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template<class E> const E* end(initializer_list<E> il) noexcept; // constexpr in C++14
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} // std
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*/
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#include <__config>
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#include <cstddef>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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namespace std // purposefully not versioned
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{
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#ifndef _LIBCPP_CXX03_LANG
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template<class _Ep>
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class _LIBCPP_TEMPLATE_VIS initializer_list
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{
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const _Ep* __begin_;
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size_t __size_;
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_LIBCPP_INLINE_VISIBILITY
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_LIBCPP_CONSTEXPR_AFTER_CXX11
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initializer_list(const _Ep* __b, size_t __s) _NOEXCEPT
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: __begin_(__b),
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__size_(__s)
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{}
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public:
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typedef _Ep value_type;
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typedef const _Ep& reference;
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typedef const _Ep& const_reference;
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typedef size_t size_type;
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typedef const _Ep* iterator;
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typedef const _Ep* const_iterator;
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_LIBCPP_INLINE_VISIBILITY
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_LIBCPP_CONSTEXPR_AFTER_CXX11
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initializer_list() _NOEXCEPT : __begin_(nullptr), __size_(0) {}
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_LIBCPP_INLINE_VISIBILITY
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_LIBCPP_CONSTEXPR_AFTER_CXX11
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size_t size() const _NOEXCEPT {return __size_;}
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_LIBCPP_INLINE_VISIBILITY
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_LIBCPP_CONSTEXPR_AFTER_CXX11
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const _Ep* begin() const _NOEXCEPT {return __begin_;}
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_LIBCPP_INLINE_VISIBILITY
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_LIBCPP_CONSTEXPR_AFTER_CXX11
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const _Ep* end() const _NOEXCEPT {return __begin_ + __size_;}
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};
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template<class _Ep>
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inline _LIBCPP_INLINE_VISIBILITY
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_LIBCPP_CONSTEXPR_AFTER_CXX11
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const _Ep*
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begin(initializer_list<_Ep> __il) _NOEXCEPT
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{
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return __il.begin();
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}
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template<class _Ep>
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inline _LIBCPP_INLINE_VISIBILITY
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_LIBCPP_CONSTEXPR_AFTER_CXX11
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const _Ep*
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end(initializer_list<_Ep> __il) _NOEXCEPT
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{
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return __il.end();
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}
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#endif // !defined(_LIBCPP_CXX03_LANG)
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} // std
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#endif // _LIBCPP_INITIALIZER_LIST
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