[webkit-dev] Get rid of RefPtr, replace with std::optional<Ref>?

[Maciej Stachowiak]

> On Sep 1, 2017, at 9:30 AM, Brady Eidson <beidson at apple.com> wrote:
> 
> I recently worked on a patch where - because of the organic refactoring of the patch over its development - I ended up with a std::optional<Ref> instead of a RefPtr.
> 
> A followup review after it had already landed pointed this out, and it got me to thinking:
> 
> Does RefPtr do anything for us today that std::optional<Ref> doesn’t?

The obvious things would be: uses less storage space, has a shorter name.

> 
> I kind of like the idea of replacing RefPtr with std::optional<Ref>. It makes it explicitly clear what object is actually holding the reference, and completely removes some of the confusion of “when should I use Ref vs RefPtr?"
> 
> Thoughts?
> 
> Thanks,
> ~Brady
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