src/ExitCodes.hs

   1 -- | All failure exit codes that the program can return.
   2 --
   3 module ExitCodes (
   4   exit_arg_parse_failed,
   5   exit_arg_not_positive,
   6   exit_arg_out_of_bounds )
   7 where
   8
   9 -- | Indicates that the command-line arguments could not be parsed.
  10 exit_arg_parse_failed :: Int
  11 exit_arg_parse_failed = 1
  12
  13 -- | One of the arguments that should be positive wasn't.
  14 exit_arg_not_positive :: Int
  15 exit_arg_not_positive = 2
  16
  17 -- | One of the arguments wasn't within the allowable bounds.
  18 exit_arg_out_of_bounds :: Int
  19 exit_arg_out_of_bounds = 3