addOption method
Add an option (--option or -o)
Implementation
CommandBuilder addOption(
String name, {
String? abbr,
String? help,
List<String>? allowed,
String? defaultValue,
}) {
_parser.addOption(
name,
abbr: abbr,
help: help,
allowed: allowed,
);
if (defaultValue != null) {
_defaults[name] = defaultValue;
}
return this;
}