mirror of https://github.com/axmolengine/axmol.git
75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
/// \file
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// Range v3 library
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//
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// Copyright Eric Niebler 2013-present
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//
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// Use, modification and distribution is subject to the
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// Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// Project home: https://github.com/ericniebler/range-v3
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//
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#ifndef RANGES_V3_ALGORITHM_COPY_BACKWARD_HPP
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#define RANGES_V3_ALGORITHM_COPY_BACKWARD_HPP
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#include <utility>
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#include <range/v3/range_fwd.hpp>
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#include <range/v3/algorithm/result_types.hpp>
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#include <range/v3/iterator/concepts.hpp>
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#include <range/v3/iterator/operations.hpp>
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#include <range/v3/iterator/traits.hpp>
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#include <range/v3/range/access.hpp>
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#include <range/v3/range/concepts.hpp>
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#include <range/v3/range/dangling.hpp>
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#include <range/v3/range/traits.hpp>
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#include <range/v3/utility/static_const.hpp>
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#include <range/v3/detail/prologue.hpp>
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namespace ranges
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{
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/// \addtogroup group-algorithms
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/// @{
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template<typename I, typename O>
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using copy_backward_result = detail::in_out_result<I, O>;
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RANGES_FUNC_BEGIN(copy_backward)
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/// \brief function template \c copy_backward
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template(typename I, typename S, typename O)(
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requires bidirectional_iterator<I> AND sentinel_for<S, I> AND
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bidirectional_iterator<O> AND indirectly_copyable<I, O>)
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constexpr copy_backward_result<I, O> RANGES_FUNC(copy_backward)(I first, S end_, O out)
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{
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I i = ranges::next(first, end_), last = i;
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while(first != i)
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*--out = *--i;
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return {last, out};
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}
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/// \overload
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template(typename Rng, typename O)(
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requires bidirectional_range<Rng> AND bidirectional_iterator<O> AND
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indirectly_copyable<iterator_t<Rng>, O>)
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copy_backward_result<borrowed_iterator_t<Rng>, O> //
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constexpr RANGES_FUNC(copy_backward)(Rng && rng, O out)
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{
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return (*this)(begin(rng), end(rng), std::move(out));
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}
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RANGES_FUNC_END(copy_backward)
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namespace cpp20
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{
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using ranges::copy_backward;
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using ranges::copy_backward_result;
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} // namespace cpp20
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/// @}
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} // namespace ranges
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#include <range/v3/detail/epilogue.hpp>
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#endif
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