maybeWhen<TResult extends Object?> method
TResult
maybeWhen<TResult extends Object?>(})
A variant of when
that fallback to an orElse
callback.
It is equivalent to doing:
switch (sealedClass) {
case Subclass(:final field):
return ...;
case _:
return orElse();
}
Implementation
@optionalTypeArgs TResult maybeWhen<TResult extends Object?>(TResult Function( String? icon, double? iconSize, String? iconColor, String? backgroundColor, double? buttonSize, double? borderRadius, bool? useAvatarAsIcon)? $default,{required TResult orElse(),}) {final _that = this;
switch (_that) {
case _FabConfiguration() when $default != null:
return $default(_that.icon,_that.iconSize,_that.iconColor,_that.backgroundColor,_that.buttonSize,_that.borderRadius,_that.useAvatarAsIcon);case _:
return orElse();
}
}