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 where
   6
   7 -- | Indicates that the command-line arguments could not be parsed.
   8 exit_args_parse_failed :: Int
   9 exit_args_parse_failed = 1
  10
  11 -- | Indicates that the input file given on the command-line does not
  12 --   exist.
  13 exit_input_file_doesnt_exist :: Int
  14 exit_input_file_doesnt_exist = 2