Method without

src/jvm/clojure/lang/PersistentStructMap.java:178–186

(Object key)

}

public IPersistentMap without(Object key) {
	Map.Entry e = def.keyslots.entryAt(key);
	if(e != null)
		throw Util.runtimeException("Can't remove struct key");
	IPersistentMap newExt = ext.without(key);
	if(newExt == ext)
		return this;
	return makeNew(_meta, def, vals, newExt);
}

public Iterator iterator(){
    return new Iterator(){