[swift-evolution] [swift-evolution-announce] [Review] SE-0107: UnsafeRawPointer API

[Dave Abrahams]

on Sat Jul 02 2016, Brent Royal-Gordon <swift-evolution at swift.org> wrote:

> One ridiculous thing we could do for `moveAssign(from:count:)` and
> perhaps `move()` is to deliberately make `self` invalid by setting it
> to address 0. If it were `Optional`, this would nil `self`. If it
> weren't...well, something would probably fail eventually.

It wouldn't be ridiculous at all to do this in debug builds.  I would
consider whether there's a better “trap” value than 0 that we could
write in there.

-- 
Dave