merge method
Creates a new TModel where each properties from this object has been merged with the matching properties from the other object.
For example:
var myModel3 = myModel1.merge(myModel2);
Implementation
@override
FastNotificationCenterOptions merge(
covariant FastNotificationCenterOptions options,
) {
return copyWith(
leadingIcon: options.leadingIcon,
iconColor: options.iconColor,
iconSize: options.iconSize,
);
}