simplify with Implicit casts.

polyadic · Jun 3, 2024 · d83a4fd · d83a4fd
1 parent fa7f3cf
commit d83a4fd
Showing 1 changed file with 4 additions and 6 deletions.
diff --git a/Funcky/DownCast.cs b/Funcky/DownCast.cs
@@ -22,15 +22,13 @@ private static Option<TResult> OptionDownCast<TItem>(TItem item)
 
  private static Result<TResult> ResultDownCast<TValidResult>(TValidResult result)
  where TValidResult : class
- => result as TResult is { } validResult
- ? Result.Ok(validResult)
- : Result<TResult>.Error(new InvalidCastException());
+ => result as TResult
+ ?? Result<TResult>.Error(new InvalidCastException());
 
  private static Func<TRight, Either<TLeft, TResult>> EitherDownCast<TLeft, TRight>(Func<TLeft> failedCast)
  where TRight : class
  where TLeft : notnull
  => right
- => right as TResult is { } result
- ? Either<TLeft, TResult>.Right(result)
- : Either<TLeft, TResult>.Left(failedCast());
+ => right as TResult
+ ?? Either<TLeft, TResult>.Left(failedCast());
 }