mirror of https://github.com/axmolengine/axmol.git
103 lines
3.4 KiB
C++
103 lines
3.4 KiB
C++
/// \file
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// Range v3 library
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//
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// Copyright Eric Niebler 2014-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_REPLACE_COPY_HPP
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#define RANGES_V3_ALGORITHM_REPLACE_COPY_HPP
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#include <meta/meta.hpp>
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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/functional/identity.hpp>
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#include <range/v3/functional/invoke.hpp>
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#include <range/v3/iterator/concepts.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 replace_copy_result = detail::in_out_result<I, O>;
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RANGES_FUNC_BEGIN(replace_copy)
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/// \brief function template \c replace_copy
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template(typename I,
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typename S,
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typename O,
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typename T1,
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typename T2,
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typename P = identity)(
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requires input_iterator<I> AND sentinel_for<S, I> AND
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output_iterator<O, T2 const &> AND indirectly_copyable<I, O> AND
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indirect_relation<equal_to, projected<I, P>, T1 const *>)
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constexpr replace_copy_result<I, O> RANGES_FUNC(replace_copy)(I first,
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S last,
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O out,
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T1 const & old_value,
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T2 const & new_value,
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P proj = {}) //
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{
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for(; first != last; ++first, ++out)
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{
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auto && x = *first;
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if(invoke(proj, x) == old_value)
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*out = new_value;
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else
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*out = (decltype(x) &&)x;
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}
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return {first, out};
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}
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/// \overload
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template(typename Rng,
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typename O,
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typename T1,
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typename T2,
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typename P = identity)(
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requires input_range<Rng> AND output_iterator<O, T2 const &> AND
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indirectly_copyable<iterator_t<Rng>, O> AND
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indirect_relation<equal_to, projected<iterator_t<Rng>, P>, T1 const *>)
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constexpr replace_copy_result<borrowed_iterator_t<Rng>, O> RANGES_FUNC(replace_copy)(
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Rng && rng, O out, T1 const & old_value, T2 const & new_value, P proj = {}) //
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{
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return (*this)(begin(rng),
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end(rng),
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std::move(out),
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old_value,
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new_value,
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std::move(proj));
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}
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RANGES_FUNC_END(replace_copy)
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namespace cpp20
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{
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using ranges::replace_copy;
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using ranges::replace_copy_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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