Method contains

src/jvm/clojure/lang/APersistentMap.java:327–336

(Object o)

		}

		public boolean contains(Object o){
			if(o instanceof Entry)
				{
				Entry e = (Entry) o;
				Entry found = entryAt(e.getKey());
				if(found != null && Util.equals(found.getValue(), e.getValue()))
					return true;
				}
			return false;
		}
	};
}