From: Eric Wong <normalperson@...>
Date: 2015-12-04T02:37:28+00:00
Subject: [ruby-core:71825] Re: [Ruby trunk - Feature #11769] [Open] optimize case / when for `nil`

tenderlove@ruby-lang.org wrote:
> I've attached a patch that adds `nil` to the optimized case such that
> the above code will use `opt_case_dispatch`.  My patch defines `===`
> on `nil`, then adds nil to the list of "optimizable literals".

Cool.  Might be worth it to do the same for `true` and `false`,
too, since we have space for them.