mapOrNull<TResult extends Object?> method Null safety

  1. @optionalTypeArgs
TResult? mapOrNull<TResult extends Object?>(
  1. {TResult undo(
    1. GenericEventUndo value
    )?,
  2. TResult readyNextRound(
    1. _GenericReadyNextRoundEvent value
    )?,
  3. TResult message(
    1. GameMessage value
    )?}
)
@optionalTypeArgs, inherited

Implementation

@optionalTypeArgs
TResult? mapOrNull<TResult extends Object?>({
  TResult Function(GenericEventUndo value)? undo,
  TResult Function(_GenericReadyNextRoundEvent value)? readyNextRound,
  TResult Function(GameMessage value)? message,
}) =>
    throw _privateConstructorUsedError;