maybeMap<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeMap<TResult extends Object?>({
  1. TResult reasonRepost(
    1. UFeedViewPostReasonReasonRepost value
    )?,
  2. TResult reasonPin(
    1. UFeedViewPostReasonReasonPin value
    )?,
  3. TResult unknown(
    1. UFeedViewPostReasonUnknown value
    )?,
  4. 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( UFeedViewPostReasonReasonRepost value)?  reasonRepost,TResult Function( UFeedViewPostReasonReasonPin value)?  reasonPin,TResult Function( UFeedViewPostReasonUnknown value)?  unknown,required TResult orElse(),}){
final _that = this;
switch (_that) {
case UFeedViewPostReasonReasonRepost() when reasonRepost != null:
return reasonRepost(_that);case UFeedViewPostReasonReasonPin() when reasonPin != null:
return reasonPin(_that);case UFeedViewPostReasonUnknown() when unknown != null:
return unknown(_that);case _:
  return orElse();

}
}