[r6rs-discuss] Thoughts on Scheme's Future

[Antonio Vieiro]

Joe Marshall escribió:
>> On Thu, 27 Aug 2009 03:06:18 -0400, AntonioV <antonio.vieiro at gmail.com>
>>> I don't think any Scheme
>>> user is "resistant" to have a standards-compliant "sockets" (XML/
>>> Threads/etc) library!!
> 
> I am.
> 

So am I. That was just an example. I don't use sockets anymore.

[...]
> 
> Here's what I want:  if I'm using a network, I'm probably either
> writing a client or
> server (or peer).  There is a protocol to be followed (likely it has
> been standardized).

So do I!

http:make-connection, http:close-connection
http:put, http:get, http:post, http:delete, http:head

+read/write and I'd be all set.

> 
> Similarly with threads.  These are a disaster.  It is very hard to program with
> concurrency.  It is harder still if your concurrancy mechanism is something
> as primitive as a thread.  In nearly every implementation of Common Lisp
> I've worked on, they've made major errors in concurrency control.  And these
> are the *vendors*.  The users have no hope of getting it right.

Agreed again. Scheme is highly parallelizable, so I don't see a reason 
to program multithreaded code. The evaluator should do that for us.

We should be worried about working sequentially, but then "begin" should 
come to the rescue...