maybeWhen<TResult extends Object?> method Null safety

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  1. {TResult none(
      )?,
    1. TResult underline(
        )?,
      1. TResult overline(
          )?,
        1. TResult lineThrough(
            )?,
          1. required TResult orElse(
              )}
            )
            @optionalTypeArgs, inherited

            Implementation

            @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>({
  TResult Function()? none,
  TResult Function()? underline,
  TResult Function()? overline,
  TResult Function()? lineThrough,
  required TResult orElse(),
}) =>
    throw _privateConstructorUsedError;