To be honest I prefer the first although I get your point about the over
simplification.
If I were going anywhere with this it would be to generalise it into a
provided processor, something like:
(->> :processor map
things
wrangle
...
)
but I am not sure the cognitive load of the extra syntax buys us much.
On Thursday, 6 February 2014 14:40:50 UTC, Korny wrote:
>
> Hi folks,
>
> I seem to regularly find myself writing ->> threaded code that follows
> similar patterns:
>
> (->> things
> (map wrangle)
> (map pacify)
> (filter effable)
> (map #(aggravate % :bees :sharks))
> (reduce mapinate {})
>
> i.e. all stages of the code actually operate on a collection rather than a
> single value - usually with a call to "map" at each stage. This example is
> over simplified - often many of the calls to map are inline functions,
> which makes this even more verbose.
>
> I wonder if there would be value in (yet another) variant on '->' that
> assumes you are threading a collection and calling 'map' by default. I'm
> not sure of the syntax that would work though. Something like:
>
> ([]-> things
> wrangle
> pacify
> [:filter effable]
> (aggravate :bees :sharks)
> [:reduce mapinate {}])
>
> I'm not sure about the syntax for non-map functions, I'm not even sure if
> this is worthwhile. Thoughts?
>
> - Korny
>
> --
> Kornelis Sietsma korny at my surname dot com http://korny.info
> .fnord { display: none !important; }
>
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