wentam/tic-tac-toe — comment on commit 602701e796f92c058a698e8607ab4f72b24bdda5
File: perl6/tictactoe.pl line 105
By wentam:

Decrementing the 1, 2, and 3 and removing the -1 would reduce the number of steps, but I think the -1 is clearer, because it serves it's own goal (changing 1-indexed user input into 0-indexed values for the array)