mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-14 10:39:05 +00:00
30 lines
1 KiB
C++
30 lines
1 KiB
C++
#ifndef SPROUT_ALGORITHM_IS_PARTITIONED_HPP
|
|
#define SPROUT_ALGORITHM_IS_PARTITIONED_HPP
|
|
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/iterator/operation.hpp>
|
|
|
|
namespace sprout {
|
|
// Copyright (C) 2011 RiSK (sscrisk)
|
|
|
|
namespace detail {
|
|
template<typename InputIterator, typename Predicate>
|
|
inline SPROUT_CONSTEXPR bool
|
|
is_partitioned_impl(InputIterator first, InputIterator last, Predicate pred, bool cond = true) {
|
|
return first == last ? true
|
|
: cond ? sprout::detail::is_partitioned_impl(sprout::next(first), last, pred, pred(*first))
|
|
: pred(*first) ? false
|
|
: sprout::detail::is_partitioned_impl(sprout::next(first), last, pred, false)
|
|
;
|
|
}
|
|
} // namespace detail
|
|
|
|
// 25.3.13 Partitions
|
|
template<typename InputIterator, typename Predicate>
|
|
inline SPROUT_CONSTEXPR bool
|
|
is_partitioned(InputIterator first, InputIterator last, Predicate pred) {
|
|
return sprout::detail::is_partitioned_impl(first, last, pred);
|
|
}
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_ALGORITHM_IS_PARTITIONED_HPP
|