whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>({
  1. TResult? append(
    1. EntryRef entryRef,
    2. Entry<Event> entry
    )?,
  2. TResult? forward(
    1. EntryRef entryRef,
    2. Iterable<Entry<Event>> entries
    )?,
  3. TResult? merge(
    1. EntryRef entryRef,
    2. Iterable<Entry<Event>> entries,
    3. Set<EntryRef> base
    )?,
})
inherited

Implementation

@optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>({
  TResult? Function(EntryRef entryRef, Entry<Event> entry)? append,
  TResult? Function(EntryRef entryRef, Iterable<Entry<Event>> entries)?
      forward,
  TResult? Function(EntryRef entryRef, Iterable<Entry<Event>> entries,
          Set<EntryRef> base)?
      merge,
}) =>
    throw _privateConstructorUsedError;