package lib;

class ObjMerge {
	public static function merge<T>(obj1:T, obj2:T):T {
		if (obj1 == null) {
			return obj2;
		}

		if (obj2 == null) {
			return obj1;
		}

		var rtn:T = Reflect.copy(obj1);
		var fields = Reflect.fields(obj2);

		for (field in fields) {
			if (Reflect.getProperty(obj1, field) == null) {
				Reflect.setProperty(rtn, field, Reflect.getProperty(obj2, field));
			}
		}

		return (rtn : T);
	}
}