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57 lines
2 KiB
C++
57 lines
2 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2014 Bolero MURAKAMI
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Copyright (C) 2011 RiSK (sscrisk)
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_RANGE_ALGORITHM_EQUAL_RANGE_HPP
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#define SPROUT_RANGE_ALGORITHM_EQUAL_RANGE_HPP
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#include <sprout/config.hpp>
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#include <sprout/container/functions.hpp>
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#include <sprout/utility/forward.hpp>
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#include <sprout/range/type_traits/lvalue_range.hpp>
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#include <sprout/algorithm/equal_range.hpp>
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namespace sprout {
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namespace range {
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namespace detail {
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template<typename ForwardRange, typename Pair>
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inline SPROUT_CONSTEXPR typename sprout::range::lvalue_range<ForwardRange>::type
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pair_to_range(Pair const& pair) {
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return {pair.first, pair.second};
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}
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} // namespace detail
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// 25.4.3.3 equal_range
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template<typename ForwardRange, typename T>
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inline SPROUT_CONSTEXPR typename sprout::range::lvalue_range<ForwardRange>::type
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equal_range(ForwardRange&& range, T const& value) {
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return sprout::range::detail::pair_to_range<ForwardRange>(
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sprout::equal_range(
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sprout::begin(SPROUT_FORWARD(ForwardRange, range)),
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sprout::end(SPROUT_FORWARD(ForwardRange, range)),
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value
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)
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);
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}
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template<typename ForwardRange, typename T, typename Compare>
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inline SPROUT_CONSTEXPR typename sprout::range::lvalue_range<ForwardRange>::type
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equal_range(ForwardRange&& range, T const& value, Compare comp) {
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return sprout::range::detail::pair_to_range<ForwardRange>(
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sprout::equal_range(
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sprout::begin(SPROUT_FORWARD(ForwardRange, range)),
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sprout::end(SPROUT_FORWARD(ForwardRange, range)),
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value,
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comp
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)
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);
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}
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} // namespace range
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} // namespace sprout
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#endif // #ifndef SPROUT_RANGE_ALGORITHM_EQUAL_RANGE_HPP
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