whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. String q,
    2. FeedSearchPostsSort? sort,
    3. String? since,
    4. String? until,
    5. String? mentions,
    6. String? author,
    7. String? lang,
    8. String? domain,
    9. String? url,
    10. List<String>? tag,
    11. int limit,
    12. String? cursor,
    13. Map<String, dynamic>? $unknown,
    )?
)

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( String q, @FeedSearchPostsSortConverter()  FeedSearchPostsSort? sort,  String? since,  String? until,  String? mentions,  String? author,  String? lang,  String? domain,  String? url,  List<String>? tag,  int limit,  String? cursor,  Map<String, dynamic>? $unknown)?  $default,) {final _that = this;
switch (_that) {
case _FeedSearchPostsInput() when $default != null:
return $default(_that.q,_that.sort,_that.since,_that.until,_that.mentions,_that.author,_that.lang,_that.domain,_that.url,_that.tag,_that.limit,_that.cursor,_that.$unknown);case _:
  return null;

}
}