mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-14 10:39:05 +00:00
41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
|
#ifndef SPROUT_ALGORITHM_LEXICOGRAPHICAL_COMPARE_HPP
|
||
|
|
#define SPROUT_ALGORITHM_LEXICOGRAPHICAL_COMPARE_HPP
|
||
|
|
|
||
|
|
#include <sprout/config.hpp>
|
||
|
|
#include <sprout/iterator/operation.hpp>
|
||
|
|
#include HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT
|
||
|
|
|
||
|
|
namespace sprout {
|
||
|
|
// Copyright (C) 2011 RiSK (sscrisk)
|
||
|
|
|
||
|
|
// 25.4.8 Lexicographical comparison
|
||
|
|
template<typename InputIterator1, typename InputIterator2, typename Compare>
|
||
|
|
SPROUT_CONSTEXPR bool lexicographical_compare(
|
||
|
|
InputIterator1 first1,
|
||
|
|
InputIterator1 last1,
|
||
|
|
InputIterator2 first2,
|
||
|
|
InputIterator2 last2,
|
||
|
|
Compare comp
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return first2 == last2 ? false
|
||
|
|
: first1 == last1 || comp(*first1, *first2) ? true
|
||
|
|
: comp(*first2, *first1) ? false
|
||
|
|
: sprout::lexicographical_compare(sprout::next(first1), last1, sprout::next(first2), last2, comp)
|
||
|
|
;
|
||
|
|
}
|
||
|
|
|
||
|
|
template<typename InputIterator1, typename InputIterator2>
|
||
|
|
SPROUT_CONSTEXPR bool lexicographical_compare(
|
||
|
|
InputIterator1 first1,
|
||
|
|
InputIterator1 last1,
|
||
|
|
InputIterator2 first2,
|
||
|
|
InputIterator2 last2
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return sprout::lexicographical_compare(first1, last1, first2, last2, NS_SSCRISK_CEL_OR_SPROUT::less<decltype(*first1 + *first2)>());
|
||
|
|
}
|
||
|
|
} // namespace sprout
|
||
|
|
|
||
|
|
#endif // #ifndef SPROUT_ALGORITHM_LEXICOGRAPHICAL_COMPARE_HPP
|