Clarify the 48 magic number

2021-12-02 11:16:53 -06:00 · 2021-12-02 11:16:53 -06:00 · 9665ad2a21
parent ea0a467b5c
commit 9665ad2a21
1 changed files with 1 additions and 1 deletions
--- 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]: