Re: [Chicken-users] Working with Spiffy incrementally

[Peter Bex]

On Thu, Nov 09, 2017 at 06:00:14PM -0500, Jack Lucas wrote:
> Is anyone aware of a method where I can work with spiffy incrementally?
> 
> Current workflow as I see it would look like editing the source and then 
> running csi -s script.scm.
> 
> It'd be very nice if I could (start-server) in a repl in emacs and be able to 
> re-evaluate vhost-map and any functions mapped in vhost-map.  I tried doing 
> this but when I refreshed the page in my browser it didn't seem like it 
> updated to the new evaluation.

Hi!

vhost-map is a parameter, which is thread-local, so if you modify it in
the repl, that's not going to affect the thread running the server.

I presume you're not going to change the vhost entries all that much,
so perhaps an extra layer of indirection would solve the problem:

(vhost-map `(("localhost" . ,(lambda (c) (my-proc c)))))

Then you should be able to redefine my-proc, and the lambda in the vhost
should pick it up.

HTH,
Peter

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