52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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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___ITERATOR_DATA_H
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#define _LIBCPP___ITERATOR_DATA_H
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#include <__config>
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#include <cstddef>
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#include <initializer_list>
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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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_LIBCPP_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER > 14
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template <class _Cont> constexpr
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_LIBCPP_INLINE_VISIBILITY
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auto data(_Cont& __c)
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_NOEXCEPT_(noexcept(__c.data()))
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-> decltype (__c.data())
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{ return __c.data(); }
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template <class _Cont> constexpr
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_LIBCPP_INLINE_VISIBILITY
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auto data(const _Cont& __c)
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_NOEXCEPT_(noexcept(__c.data()))
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-> decltype (__c.data())
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{ return __c.data(); }
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template <class _Tp, size_t _Sz>
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_LIBCPP_INLINE_VISIBILITY
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constexpr _Tp* data(_Tp (&__array)[_Sz]) noexcept { return __array; }
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template <class _Ep>
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_LIBCPP_INLINE_VISIBILITY
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constexpr const _Ep* data(initializer_list<_Ep> __il) noexcept { return __il.begin(); }
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#endif
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___ITERATOR_DATA_H
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