Optparser.ErrorOption parser errors.
module Option : sig ... endmodule Argument : sig ... endtype t = [ | `Missing_mandatory_option of Option.option_errorMissing mandatory option for invoking the CLI command
*)| `Invalid_arguments_length of Argument.invalid_arguments_length_errorMismatched number of arguments to an option
*)| `Argument_reader_failure of Option.option_errorFailure to read an argument to an option from a string
*)| `Not_an_option of Option.option_errorUnrecognized option provided
*) ]The type of CLI arguments parsing errors.