module examples.greet; import std.stdio; import cmdline : program, OptsWrap, ArgWrap; void main(in string[] argv) { program.name("greet"); program .option!string("-p, --person [name]", "the persion you greet to") .option!string("-g, --greeting <str>", "the greeting string"); program.parse(argv); OptsWrap opts = program.getOpts(); ArgWrap raw_person = opts("person"); bool person_is_bool = raw_person.verifyType!bool; string person = raw_person.isValid ? person_is_bool ? "guy" : raw_person.get!string : ""; string greeting = opts("greeting").get!string; writefln("Hello %s, %s", person, greeting); }