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#ifndef TYPEASVALUE_SRC_LIST_OPERATION_HIGHER_SORT_H_
#define TYPEASVALUE_SRC_LIST_OPERATION_HIGHER_SORT_H_
#include "list/operation/concatenate.h"
#include "list/operation/delete_nth.h"
#include "list/operation/higher/partition.h"
#include "function/apply.h"
namespace tav {
template <
template<typename, typename> class Comparator,
typename Sequence
>
class Sort {
private:
using index = Divide<Eval<Length<Sequence>>, Size<2>>;
using pivot = Eval<Nth<index, Sequence>>;
using partitions = Eval<Partition<
Apply<Comparator, pivot, _0>::template function,
Eval<DeleteNth<index, Sequence>>
>>;
using lhs = Eval<Car<partitions>>;
using rhs = Eval<Cdr<partitions>>;
public:
typedef Eval<Concatenate<
Eval<List<
Eval<Sort<Comparator, lhs>>,
Eval<List<pivot>>,
Eval<Sort<Comparator, rhs>>
>>
>> type;
};
template <template<typename, typename> class Comparator>
struct Sort<Comparator, void> {
typedef void type;
};
}
#endif // TYPEASVALUE_SRC_LIST_OPERATION_HIGHER_SORT_H_
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