On Sun, 2 Apr 2023 23:49:55 GMT, Michael Strauß <mstra...@openjdk.org> wrote:
>> I'm a bit unsure why that would be an improvement. Passing `null` to a >> function that doesn't expect it should IMHO never just return `null` but >> should instead be considered a programming error and result in a stack >> trace. Passing in a non-null value that can't be casted is explicitly >> documented now that it would result in `null`. One is a caller error, the >> other isn't IMHO (as the caller can't check if it is castable without >> another method -- I considered adding an `instanceof` method). >> >> Or maybe I'm reading too much in to this and you are just pointing out that >> the function has changed from its previous contract -- I think this is okay >> as `BitSet` is not public API, nor are any of its subclasses. > > I found it strange that a method named `cast` would reject `null` as an > argument, but will happily return `null` and require the caller to check it. @mstr2 I've changed this cast method now to a `getElementType` method to be able to provide a correct `equals` implementation under all circumstances. ------------- PR Review Comment: https://git.openjdk.org/jfx/pull/1076#discussion_r1176092092