Re: Userdata environment
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- Subject: Re: Userdata environment
- From: "Leo Razoumov" <slonik.az@...>
- Date: 2008年3月31日 18:56:39 -0400
On 3/31/08, Mike Pall <mikelu-0803@mike.de> wrote:
> Shmuel Zeigerman wrote:
> > Mike Pall wrote:
> >> If you're storing all your userdatas in the array part, a simple
> >> 't.foo = nil' triggers the shrinking. If you'r storing them in
> >> the hash part, a 't[1] = nil' will do.
> >
> > My userdatas are keys in a weak keyed table. I've just tried your recipe in
> > my application, both with t.foo=nil and with t[1]=nil -- it didn't help.
>
>
> Ooops, the 't[1] = nil' advice was wrong. This doesn't force
> creation of the array part (which would trigger resizing). :-(
>
How about the following:
t[1]= true -- trigger resizing
t[1]= nil -- remove, so that the trick will work next time
--Leo--