module OptParse: BatOptParse
module Opt:sig
..end
This module contains the basic functions and types for defining new option types and accessing the values of options.
module StdOpt:sig
..end
This module contains various standard options.
module Formatter:sig
..end
This module contains the types and functions for implementing custom usage message formatters.
module OptParser:sig
..end
This module contains the option parser itself.