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46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2014 Bolero MURAKAMI
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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_ITERATOR_REMOVE_ITERATOR_HPP
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#define SPROUT_ITERATOR_REMOVE_ITERATOR_HPP
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#include <sprout/config.hpp>
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#include <sprout/iterator/filter_iterator.hpp>
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namespace sprout {
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//
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// remove_filter
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//
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template<typename T>
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class remove_filter {
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public:
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typedef bool result_type;
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private:
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T value_;
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public:
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explicit SPROUT_CONSTEXPR remove_filter(T const& value)
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: value_(value)
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{}
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template<typename U>
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SPROUT_CONSTEXPR bool operator()(U const& value) const {
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return value != value_;
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}
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};
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//
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// make_remove_iterator
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//
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template<typename T, typename Iterator>
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inline SPROUT_CONSTEXPR sprout::filter_iterator<sprout::remove_filter<T>, Iterator>
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make_remove_iterator(T const& value, Iterator it, Iterator last = Iterator()) {
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return sprout::filter_iterator<sprout::remove_filter<T>, Iterator>(
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sprout::remove_filter<T>(value), it, last
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);
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}
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} // namespace sprout
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#endif // SPROUT_ITERATOR_REMOVE_ITERATOR_HPP
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