Method isA

src/jvm/clojure/lang/MultiFn.java:122–124

(Object hierarchy, Object x, Object y)

}

private boolean isA(Object hierarchy, Object x, Object y) {
    return RT.booleanCast(isa.invoke(hierarchy, x, y));
}

private boolean dominates(Object hierarchy, Object x, Object y) {
	return prefers(hierarchy, x, y) || isA(hierarchy, x, y);