masak++ \'s combinations solution.

Author: Filip Sergot

other/combinations.pl

@@ -0,0 +1,6 @@
+use v6;
+
+multi combs(@, 0) { "" };
+multi combs { combs(@^dict, $^n - 1) X~ @dict };
+ 
+(.say for combs(<a b c>, $_)) for 1..4;