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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___ITERATOR_ACCESS_H
#define _LIBCPP___ITERATOR_ACCESS_H
#include <__config>
#include <cstddef>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Tp, size_t _Np>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14
_Tp*
begin(_Tp (&__array)[_Np])
{
return __array;
}
template <class _Tp, size_t _Np>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14
_Tp*
end(_Tp (&__array)[_Np])
{
return __array + _Np;
}
#if !defined(_LIBCPP_CXX03_LANG)
template <class _Cp>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX17
auto
begin(_Cp& __c) -> decltype(__c.begin())
{
return __c.begin();
}
template <class _Cp>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX17
auto
begin(const _Cp& __c) -> decltype(__c.begin())
{
return __c.begin();
}
template <class _Cp>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX17
auto
end(_Cp& __c) -> decltype(__c.end())
{
return __c.end();
}
template <class _Cp>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX17
auto
end(const _Cp& __c) -> decltype(__c.end())
{
return __c.end();
}
#if _LIBCPP_STD_VER >= 14
template <class _Cp>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14
auto cbegin(const _Cp& __c) -> decltype(_VSTD::begin(__c))
{
return _VSTD::begin(__c);
}
template <class _Cp>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14
auto cend(const _Cp& __c) -> decltype(_VSTD::end(__c))
{
return _VSTD::end(__c);
}
#endif
#else // defined(_LIBCPP_CXX03_LANG)
template <class _Cp>
_LIBCPP_INLINE_VISIBILITY
typename _Cp::iterator
begin(_Cp& __c)
{
return __c.begin();
}
template <class _Cp>
_LIBCPP_INLINE_VISIBILITY
typename _Cp::const_iterator
begin(const _Cp& __c)
{
return __c.begin();
}
template <class _Cp>
_LIBCPP_INLINE_VISIBILITY
typename _Cp::iterator
end(_Cp& __c)
{
return __c.end();
}
template <class _Cp>
_LIBCPP_INLINE_VISIBILITY
typename _Cp::const_iterator
end(const _Cp& __c)
{
return __c.end();
}
#endif // !defined(_LIBCPP_CXX03_LANG)
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___ITERATOR_ACCESS_H