Method equiv

src/jvm/clojure/lang/PersistentTreeMap.java:108–114

(Object obj)

}

public boolean equiv(Object obj){
    try {
        return super.equiv(obj);
    } catch (ClassCastException e) {
        return false;
    }
}

public PersistentTreeMap assocEx(Object key, Object val) {
	Box found = new Box(null);