On Thu, Mar 7, 2013 at 1:53 PM, Adi Roiban <[email protected]> wrote: > On 7 March 2013 12:32, anatoly techtonik <[email protected]> wrote: > > Hi, > > > > Some months ago I saw slides about how deffered work in Twisted. > > If I remember correctly these there two columns on yellow background, > > with pictures on the right, which described how errback processing > > propogates and how to handle deferreds. > > > > Does anybody remember them? I looks like color codes for the blocks > > on the diagrams were filled bright green and solid bright red square > > blocks. I can't find them, does anybody know where I could see them? > > Hi, > > I don't know about those slides, but I read about errback propagation > from the official docs. > > Does this help? > http://twistedmatrix.com/documents/12.3.0/core/howto/defer.html
I am looking for slides to see if they will be suitable as an exception example for Haskel folks. Seems like there are no exceptions in functional languages, so a mechanism like errbacks can be a replacement. The text is good for someone who knows Twisted, but the presentation was rather simple for everyone, or at least I've got this impression, -- anatoly t.
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