From 9665ad2a21c2d5b132180be29458afb8837d2522 Mon Sep 17 00:00:00 2001
From: Daniel Flanagan <daniel@lyte.dev>
Date: Thu, 2 Dec 2021 11:16:53 -0600
Subject: [PATCH] Clarify the 48 magic number

---
 2021/two.nim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/2021/two.nim b/2021/two.nim
index 6337de2..4bf23ba 100644
--- a/2021/two.nim
+++ b/2021/two.nim
@@ -4,7 +4,7 @@ import ./common
 type SubmarineCommand = enum
   Forward, Up, Down
 
-proc parseArg(c: char): int = c.int() - 48
+proc parseArg(c: char): int = c.int() - int('0')
 
 proc parseSubmarineCommand(l: string): (SubmarineCommand, int) =
   case l[0]: