generate all permutations in haskell<br /><a href="https://gist.github.com/evgenii-malov/620946be8db18c21cfd44b0f152fdeb4" target="_blank" rel="nofollow">https://gist.github.com/evgenii-malov/620946be8db18c21cfd44b0f152fdeb4</a><br /><br />k-permutations of n<br /><a href="https://www.youtube.com/watch?v=U9FSaCNp__4&t=7s" target="_blank" rel="nofollow">https://www.youtube.com/watch?v=U9FSaCNp__4&t=7s</a><br />...<br /><a href="https://www.youtube.com/watch?v=iZYPnDD2suk" target="_blank" rel="nofollow">https://www.youtube.com/watch?v=iZYPnDD2suk</a>