Method isTop

src/main/java/wyil/util/TypeSelector.java:268–275

(Type.Selector[] items)

	}

	private static boolean isTop(Type.Selector[] items) {
		for (int i = 0; i != items.length; ++i) {
			if (items[i] != Type.Selector.TOP) {
				return false;
			}
		}
		return true;
	}

	/**
	 * Normalise opcode for sake of simplicity. This allows us to compare the types