maybeMap<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeMap<TResult extends Object?>({
  1. TResult joinLinkPreviewView(
    1. UEmbedJoinLinkViewJoinLinkPreviewJoinLinkPreviewView value
    )?,
  2. TResult disabledJoinLinkPreviewView(
    1. UEmbedJoinLinkViewJoinLinkPreviewDisabledJoinLinkPreviewView value
    )?,
  3. TResult invalidJoinLinkPreviewView(
    1. UEmbedJoinLinkViewJoinLinkPreviewInvalidJoinLinkPreviewView value
    )?,
  4. TResult unknown(
    1. UEmbedJoinLinkViewJoinLinkPreviewUnknown value
    )?,
  5. required TResult orElse(),
})

A variant of map that fallback to returning orElse.

It is equivalent to doing:

switch (sealedClass) {
  case final Subclass value:
    return ...;
  case _:
    return orElse();
}

Implementation

@optionalTypeArgs TResult maybeMap<TResult extends Object?>({TResult Function( UEmbedJoinLinkViewJoinLinkPreviewJoinLinkPreviewView value)?  joinLinkPreviewView,TResult Function( UEmbedJoinLinkViewJoinLinkPreviewDisabledJoinLinkPreviewView value)?  disabledJoinLinkPreviewView,TResult Function( UEmbedJoinLinkViewJoinLinkPreviewInvalidJoinLinkPreviewView value)?  invalidJoinLinkPreviewView,TResult Function( UEmbedJoinLinkViewJoinLinkPreviewUnknown value)?  unknown,required TResult orElse(),}){
final _that = this;
switch (_that) {
case UEmbedJoinLinkViewJoinLinkPreviewJoinLinkPreviewView() when joinLinkPreviewView != null:
return joinLinkPreviewView(_that);case UEmbedJoinLinkViewJoinLinkPreviewDisabledJoinLinkPreviewView() when disabledJoinLinkPreviewView != null:
return disabledJoinLinkPreviewView(_that);case UEmbedJoinLinkViewJoinLinkPreviewInvalidJoinLinkPreviewView() when invalidJoinLinkPreviewView != null:
return invalidJoinLinkPreviewView(_that);case UEmbedJoinLinkViewJoinLinkPreviewUnknown() when unknown != null:
return unknown(_that);case _:
  return orElse();

}
}