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use std
/* checks pattern matching on unions with arguments.
exits with 42. */
type u = union
	`Int int
	`Str byte[:]
	`Nil
;;

const main = {
	var v

	v = `Str "foo"
	match v
	/*
	`Int 127:
		-> 42
		;;
	*/
	`Str s:
		std.put("%s\n", s)
		;;
	/*
	`Nil:
		;;
	*/
	;;
	-> 0
}