Re: Lua registry, environment, and threads.

[steve donovan <steve.j.donovan@...>]

On Tue, Jan 12, 2010 at 2:07 PM, Tony Finch <dot@dotat.at> wrote:
> If there were hooks on the environment of 5.2 "in" blocks so that the code
> knows when the block is finished, you could perhaps write something like
>
> do a=1
>  in dynamic{ a=2 } do
>    g() -- access to a gives 2
>  end
>  -- a == 1
> end

Yes, assuming that g is local, of course.

Having a lexical-block-finished hook would be a powerful tool indeed,
for RAII-style cleanup etc.

steve d.