Sprout/sprout/algorithm/count.hpp
bolero-MURAKAMI c6bd230ee4 fix inline
add container/indexes.hpp
add tuple/indexes.hpp
2012-04-04 22:23:41 +09:00

21 lines
641 B
C++

#ifndef SPROUT_ALGORITHM_COUNT_HPP
#define SPROUT_ALGORITHM_COUNT_HPP
#include <iterator>
#include <sprout/config.hpp>
#include <sprout/iterator/operation.hpp>
namespace sprout {
// Copyright (C) 2011 RiSK (sscrisk)
// 25.2.9 Count
template<typename InputIterator, typename T>
inline SPROUT_CONSTEXPR typename std::iterator_traits<InputIterator>::difference_type
count(InputIterator first, InputIterator last, T const& value) {
return first == last ? 0
: (*first == value ? 1 : 0) + sprout::count(sprout::next(first), last, value)
;
}
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_COUNT_HPP