dereferencing null

[Adam D. Ruppe]

On Monday, 5 March 2012 at 06:19:53 UTC, Chad J wrote:
> That's cool.  Maybe someone should stick it in Phobos?

I just made a patch and sent it up. It'll have to be
reviewed by the others, but I expect we'll have something
in std.typecons for the next release.

> I also didn't know about @disabled; that's a nifty addition.

Yeah, we brought it up one of the previous null
discussions, and Walter+Andrei liked it as a general
solution to enable this and other checks, like ranged
integers.

Still somewhat new, though; havn't realized all its
potential yet.