Sprout/sprout/algorithm/equal_range.hpp
2012-10-06 13:53:07 +09:00

26 lines
1 KiB
C++

#ifndef SPROUT_ALGORITHM_EQUAL_RANGE_HPP
#define SPROUT_ALGORITHM_EQUAL_RANGE_HPP
#include <sprout/config.hpp>
#include <sprout/algorithm/lower_bound.hpp>
#include <sprout/algorithm/upper_bound.hpp>
#include <sprout/utility/pair.hpp>
namespace sprout {
// Copyright (C) 2011 RiSK (sscrisk)
// 25.4.3.3 equal_range
template<typename ForwardIterator, typename T>
inline SPROUT_CONSTEXPR sprout::pair<ForwardIterator, ForwardIterator>
equal_range(ForwardIterator first, ForwardIterator last, T const& value) {
return {sprout::lower_bound(first, last, value), sprout::upper_bound(first, last, value)};
}
template<typename ForwardIterator, typename T, typename Compare>
inline SPROUT_CONSTEXPR pair<ForwardIterator, ForwardIterator>
equal_range(ForwardIterator first, ForwardIterator last, T const& value, Compare comp) {
return {sprout::lower_bound(first, last, value, comp), sprout::upper_bound(first, last, value, comp)};
}
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_EQUAL_RANGE_HPP