Method brace

src/main/java/wyil/lang/WyilFile.java:6991–6997

(Type t)

	}

	private static String brace(Type t) {
		if(t.shape() < 2) {
			return "(" + t + ")";
		} else {
			return t.toString();
		}
	}

	public static String toString(Tuple<? extends Syntactic.Item> items) {
		String r = "";