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porting sscrisk/CEL

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bolero-MURAKAMI 2012-04-01 22:15:09 +09:00
parent ad60c8c530
commit db20f64991
181 changed files with 2531 additions and 607 deletions
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61
sprout/algorithm/find_end.hpp Normal file
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#ifndef SPROUT_ALGORITHM_FIND_END_HPP
#define SPROUT_ALGORITHM_FIND_END_HPP
#include <sprout/config.hpp>
#include <sprout/iterator/operation.hpp>
#include <sprout/algorithm/search.hpp>
namespace sprout {
// Copyright (C) 2011 RiSK (sscrisk)
namespace detail {
template<typename Iterator1, typename Iterator2>
struct iter_equal_to {
public:
SPROUT_CONSTEXPR bool operator()(
typename std::iterator_traits<Iterator1>::value_type const& x,
typename std::iterator_traits<Iterator2>::value_type const& y
) const
{
return x == y;
}
};
} // namespace detail
// 25.2.6 Find end
template<typename ForwardIterator1, typename ForwardIterator2, typename BinaryPredicate>
SPROUT_CONSTEXPR ForwardIterator1 find_end(
ForwardIterator1 first1,
ForwardIterator1 last1,
ForwardIterator2 first2,
ForwardIterator2 last2,
BinaryPredicate pred
)
{
return first1 == last1 || first2 == last2 ? last1
: sprout::search(first1, last1, first2, last2, pred) == first1
&& sprout::search(sprout::next(first1), last1, first2, last2, pred) == last1
? first1
: sprout::find_end(sprout::next(first1), last1, first2, last2, pred)
;
}
template<typename ForwardIterator1, typename ForwardIterator2>
SPROUT_CONSTEXPR ForwardIterator1 find_end(
ForwardIterator1 first1,
ForwardIterator1 last1,
ForwardIterator2 first2,
ForwardIterator2 last2
)
{
return sprout::find_end(
first1,
last1,
first2,
last2,
sprout::detail::iter_equal_to<ForwardIterator1, ForwardIterator2>()
);
}
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIND_END_HPP