From a93119b25033248decda7477575e214a1b254fbd Mon Sep 17 00:00:00 2001 From: Simponic Date: Fri, 13 Jan 2023 10:00:58 -0700 Subject: Binbo start link --- lib/chessh/utils.ex | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'lib/chessh/utils.ex') diff --git a/lib/chessh/utils.ex b/lib/chessh/utils.ex index 3e83d5e..d1acf44 100644 --- a/lib/chessh/utils.ex +++ b/lib/chessh/utils.ex @@ -11,4 +11,9 @@ defmodule Chessh.Utils do split = String.split(text, "\n") {Enum.reduce(split, 0, fn x, acc -> max(acc, String.length(x)) end), length(split)} end + + def wrap_around(index, delta, length) do + calc = index + delta + if(calc < 0, do: length, else: 0) + rem(calc, length) + end end -- cgit v1.2.3-70-g09d2