Sortty - simple combination of advanced sorters

The main benefit is the function get_multi_sorted. It makes it easy to sort a sequence by several criteria at the same time. All sorting parameters can always be set manually, but they can also be determined automatically.

Attention! For simple sorting, for example, from minimum to maximum sorter usage will be redundant and slow, for such situations write 1 line of code using the standard library:) Or rewrite this method in MinSorter class...