[racket] Efficiency of tight loops in Racket

On Thu, Jan 13, 2011 at 9:39 PM, Robby Findler
<robby at eecs.northwestern.edu>wrote:

> On Thu, Jan 13, 2011 at 5:55 PM, Matthias Felleisen <matthias at ccs.neu.edu>wrote:
>>
>>>
>>> And it is easy to drop down to the C level with Eli's FFI.
>>>
>>>
I'm curious if there's something more like along the lines of a step-by-step
tutorial for the FFI? I can see that it's well documented, but it would
great if there was something more along the lines of an introductory
tutorial.

With a good FFI it seems like someone could write a great Racket DSL for
evented network programming a la Node.js minus all the JS callback cruft.

David
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