#define UNIT r4_sort
#include <vector>
#include <algorithm>

auto selectsort = []( std::vector< int > &to_sort, auto cmp )
{
    for ( auto i = to_sort.begin(); i != to_sort.end(); ++ i )
        std::swap( *i, *std::min_element( i, to_sort.end(), cmp ) );
};

#include "test_main.cpp"