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.
5 exit_args_parse_failed,
6 exit_input_file_doesnt_exist )
9 -- | Indicates that the command-line arguments could not be parsed.
10 exit_args_parse_failed :: Int
11 exit_args_parse_failed = 1
13 -- | Indicates that the input file given on the command-line does not
15 exit_input_file_doesnt_exist :: Int
16 exit_input_file_doesnt_exist = 2