mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-14 10:39:05 +00:00
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
/*=============================================================================
|
|
Copyright (c) 2011-2014 Bolero MURAKAMI
|
|
https://github.com/bolero-MURAKAMI/Sprout
|
|
|
|
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
=============================================================================*/
|
|
#ifndef SPROUT_CXX14_ALGORITHM_UNIQUE_HPP
|
|
#define SPROUT_CXX14_ALGORITHM_UNIQUE_HPP
|
|
|
|
#include <iterator>
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/utility/move.hpp>
|
|
|
|
namespace sprout {
|
|
//
|
|
// 25.3.9 Unique
|
|
//
|
|
template<typename ForwardIterator>
|
|
inline SPROUT_CXX14_CONSTEXPR ForwardIterator
|
|
unique(ForwardIterator first, ForwardIterator last) {
|
|
if (first == last) {
|
|
return first;
|
|
}
|
|
ForwardIterator result = first;
|
|
typename std::iterator_traits<ForwardIterator>::value_type value = sprout::move(*first++);
|
|
for (; first != last; ++first) {
|
|
if (!(value == *first)) {
|
|
*result++ = sprout::move(value);
|
|
value = sprout::move(*first);
|
|
}
|
|
}
|
|
*result++ = sprout::move(value);
|
|
return result;
|
|
}
|
|
template<typename ForwardIterator, typename BinaryPredicate>
|
|
inline SPROUT_CXX14_CONSTEXPR ForwardIterator
|
|
unique(ForwardIterator first, ForwardIterator last, BinaryPredicate pred) {
|
|
if (first == last) {
|
|
return first;
|
|
}
|
|
ForwardIterator result = first;
|
|
typename std::iterator_traits<ForwardIterator>::value_type value = sprout::move(*first++);
|
|
for (; first != last; ++first) {
|
|
if (!pred(value, *first)) {
|
|
*result++ = sprout::move(value);
|
|
value = sprout::move(*first);
|
|
}
|
|
}
|
|
*result++ = sprout::move(value);
|
|
return result;
|
|
}
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_CXX14_ALGORITHM_UNIQUE_HPP
|