Sprout/sprout/algorithm/mismatch.hpp
2012-10-13 21:06:32 +09:00

31 lines
1.2 KiB
C++

#ifndef SPROUT_ALGORITHM_MISMATCH_HPP
#define SPROUT_ALGORITHM_MISMATCH_HPP
#include <sprout/config.hpp>
#include <sprout/iterator/operation.hpp>
#include <sprout/utility/pair.hpp>
namespace sprout {
// Copyright (C) 2011 RiSK (sscrisk)
// 25.2.10 Mismatch
template<typename InputIterator1, typename InputIterator2>
inline SPROUT_CONSTEXPR sprout::pair<InputIterator1, InputIterator2>
mismatch(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2) {
return first1 == last1 || !(*first1 == *first2)
? sprout::pair<InputIterator1, InputIterator2>{first1, first2}
: sprout::mismatch(sprout::next(first1), last1, sprout::next(first2))
;
}
template<typename InputIterator1, typename InputIterator2, typename BinaryPredicate>
inline SPROUT_CONSTEXPR sprout::pair<InputIterator1, InputIterator2>
mismatch(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, BinaryPredicate pred) {
return first1 == last1 || !pred(*first1, *first2)
? sprout::pair<InputIterator1, InputIterator2>{first1, first2}
: sprout::mismatch(sprout::next(first1), last1, sprout::next(first2))
;
}
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_MISMATCH_HPP