mirror of https://github.com/axmolengine/axmol.git
73 lines
2.2 KiB
C++
73 lines
2.2 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_MAX_ELEMENT_HPP
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#define RANGES_V3_ALGORITHM_MAX_ELEMENT_HPP
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#include <range/v3/range_fwd.hpp>
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#include <range/v3/functional/comparisons.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/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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RANGES_FUNC_BEGIN(max_element)
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/// \brief function template \c max_element
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template(typename I, typename S, typename C = less, typename P = identity)(
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requires forward_iterator<I> AND sentinel_for<S, I> AND
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indirect_strict_weak_order<C, projected<I, P>>)
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constexpr I RANGES_FUNC(max_element)(I first, S last, C pred = C{}, P proj = P{})
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{
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if(first != last)
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for(auto tmp = next(first); tmp != last; ++tmp)
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if(invoke(pred, invoke(proj, *first), invoke(proj, *tmp)))
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first = tmp;
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return first;
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}
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/// \overload
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template(typename Rng, typename C = less, typename P = identity)(
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requires forward_range<Rng> AND
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indirect_strict_weak_order<C, projected<iterator_t<Rng>, P>>)
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constexpr borrowed_iterator_t<Rng> //
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RANGES_FUNC(max_element)(Rng && rng, C pred = C{}, P proj = P{})
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{
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return (*this)(begin(rng), end(rng), std::move(pred), std::move(proj));
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}
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RANGES_FUNC_END(max_element)
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namespace cpp20
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{
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using ranges::max_element;
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}
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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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