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fix reverse_iterator

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support STL container: some algorithms
This commit is contained in:
bolero-MURAKAMI 2013-01-20 08:53:20 +09:00
parent a9cd556f8e
commit 9a593cbb81
30 changed files with 634 additions and 78 deletions
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39
sprout/iterator/remove_if_iterator.hpp Normal file
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#ifndef SPROUT_ITERATOR_REMOVE_IF_ITERATOR_HPP
#define SPROUT_ITERATOR_REMOVE_IF_ITERATOR_HPP
#include <sprout/config.hpp>
#include <sprout/iterator/filter_iterator.hpp>
namespace sprout {
//
// remove_if_filter
//
template<typename Predicate>
class remove_if_filter {
public:
typedef bool result_type;
private:
Predicate pred_;
public:
SPROUT_CONSTEXPR remove_if_filter(Predicate pred)
: pred_(pred)
{}
template<typename U>
SPROUT_CONSTEXPR bool operator()(U const& value) const {
return !pred_(value);
}
};
//
// make_remove_if_iterator
//
template<typename Predicate, typename Iterator>
inline SPROUT_CONSTEXPR sprout::filter_iterator<sprout::remove_if_filter<Predicate>, Iterator>
make_remove_if_iterator(Predicate pred, Iterator it, Iterator last = Iterator()) {
return sprout::filter_iterator<sprout::remove_if_filter<Predicate>, Iterator>(
sprout::remove_if_filter<Predicate>(pred), it, last
);
}
} // namespace sprout
#endif // SPROUT_ITERATOR_REMOVE_IF_ITERATOR_HPP