src/ExitCodes.hs

   1 -- | All exit codes that the program can return (excepting
   2 --   ExitSuccess). There's only one, since the program will try and
   3 --   fail forever upon errors.
   4 module ExitCodes (
   5   exit_args_parse_failed,
   6   exit_input_file_doesnt_exist )
   7 where
   8
   9 -- | Indicates that the command-line arguments could not be parsed.
  10 exit_args_parse_failed :: Int
  11 exit_args_parse_failed = 1
  12
  13 -- | Indicates that the input file given on the command-line does not
  14 --   exist.
  15 exit_input_file_doesnt_exist :: Int
  16 exit_input_file_doesnt_exist = 2