#ifndef H_DA7CBF247B3E4DFDB1F13657E787EBE4
#define H_DA7CBF247B3E4DFDB1F13657E787EBE4

#include <iterator>
#include <functional>

template <std::random_access_iterator T>
void quicksort(T begin, T end);

template <std::random_access_iterator T>
void quicksort(T begin, T end, std::function<bool(decltype(*std::declval<T>()), decltype(*std::declval<T>()))> comparer);

#endif //H_DA7CBF247B3E4DFDB1F13657E787EBE4