whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. bool noOverride,
    2. List<ModerationCause> filters,
    3. List<ModerationCause> blurs,
    4. List<ModerationCause> alerts,
    5. List<ModerationCause> informs,
    )?
)

A variant of when that fallback to returning null

It is equivalent to doing:

switch (sealedClass) {
  case Subclass(:final field):
    return ...;
  case _:
    return null;
}

Implementation

@optionalTypeArgs TResult? whenOrNull<TResult extends Object?>(TResult? Function( bool noOverride,  List<ModerationCause> filters,  List<ModerationCause> blurs,  List<ModerationCause> alerts,  List<ModerationCause> informs)?  $default,) {final _that = this;
switch (_that) {
case _ModerationUI() when $default != null:
return $default(_that.noOverride,_that.filters,_that.blurs,_that.alerts,_that.informs);case _:
  return null;

}
}