can-map.js
function(prop, current){
			if (prop in this._data) {
				this.___remove(prop);
				// Let others now this property has been removed.
				this._triggerChange(prop, "remove", undefined, current);
			}
		}
function(prop, current){
			if (prop in this._data) {
				this.___remove(prop);
				// Let others now this property has been removed.
				this._triggerChange(prop, "remove", undefined, current);
			}
		}
function ( prop , current ) { if ( prop in this . _data ) { this . ___remove ( prop ) ; // Let others now this property has been removed. this . _triggerChange ( prop , "remove" , undefined , current ) ; } }
### __remove Handles triggering an event if a property could be removed.
### __remove Handles triggering an event if a property could be removed .