can-map.js
function (obj) {

			if(canReflect.isObservableLike(obj) && typeof obj.serialize === "function"){
				obj = obj.serialize();
			}

			// Where we keep the values of the compute.
			this._data = Object.create(null);

			// The namespace this `object` uses to listen to events.
			CID(this, ".map");

			this._setupComputedProperties();
			var teardownMapping = obj && mapHelpers.addToMap(obj, this);

			var defaultValues = this._setupDefaults(obj);
			var data = assign(canReflect.assignDeep({}, defaultValues), obj);

			this.attr(data);

			if (teardownMapping) {
				teardownMapping();
			}
		}
function (obj) {

			if(canReflect.isObservableLike(obj) && typeof obj.serialize === "function"){
				obj = obj.serialize();
			}

			// Where we keep the values of the compute.
			this._data = Object.create(null);

			// The namespace this `object` uses to listen to events.
			CID(this, ".map");

			this._setupComputedProperties();
			var teardownMapping = obj && mapHelpers.addToMap(obj, this);

			var defaultValues = this._setupDefaults(obj);
			var data = assign(canReflect.assignDeep({}, defaultValues), obj);

			this.attr(data);

			if (teardownMapping) {
				teardownMapping();
			}
		}
function ( obj ) { if ( canReflect . isObservableLike ( obj ) && typeof obj . serialize === "function" ) { obj = obj . serialize ( ) ; } // Where we keep the values of the compute. this . _data = Object . create ( null ) ; // The namespace this `object` uses to listen to events. CID ( this , ".map" ) ; this . _setupComputedProperties ( ) ; var teardownMapping = obj && mapHelpers . addToMap ( obj , this ) ; var defaultValues = this . _setupDefaults ( obj ) ; var data = assign ( canReflect . assignDeep ( { } , defaultValues ) , obj ) ; this . attr ( data ) ; if ( teardownMapping ) { teardownMapping ( ) ; } }
### setup Initializes the map instance's behavior.
### setup Initializes the map instance s behavior .