The Parallel Furcula has interesting possibilities :)
On Mon, Apr 2, 2012 at 5:25 AM, Roman Perepelitsa <
[email protected]> wrote:
> And a couple more:
>
> user=> (-<> 0 [1 <> <>])
> [1 0]
>
> user=> (-<> 0 {<> 1})
> CompilerException java.lang.RuntimeException: Unable to resolve symbol: <>
> in this context, compiling:(NO_SOURCE_PATH:16)
>
> user=> (-<> 0 {1 <> 2 <>})
> IllegalArgumentException No value supplied for key: 2
> clojure.lang.PersistentHashMap.createWithCheck (PersistentHashMap.java:89)
>
> Roman Perepelitsa.
>
> 2012/4/2 Roman Perepelitsa <[email protected]>
>
>> Looks very nice!
>>
>> Is the following behavior expected with Clojure 1.3?
>>
>> user=> (-<> 0 '(<>))
>> (<> 0)
>>
>> user=> (-<> 0 [<>])
>> CompilerException java.lang.RuntimeException: Unable to resolve symbol:
>> <> in this context, compiling:(NO_SOURCE_PATH:24)
>>
>> ;; I guess this one is expected, although it would be nice if it worked.
>> user=> (-<> 0 '(1 (1 <>)))
>> (1 (1 <>) 0)
>>
>> Roman Perepelitsa.
>>
>> 2012/4/2 Robert Levy <[email protected]>
>>
>>> Swiss arrows is a library I wrote today, providing a number of useful
>>> arrow macros.
>>>
>>> - The Diamond Wand: a generalized arrow macro for threading into any
>>> position.
>>> - The Back Arrow: ->> with its arguments reversed, convenient in
>>> some cases.
>>> - The Furcula / Parallel Furcula: branch the result of an operation
>>> in multiple directions, sequentially or in parallel.
>>> - The Double Furcula / Parallel Furcula, Double-style: the above,
>>> using ->> instead of ->
>>> - The Diamond Fishing Rod / Parallel Diamond Fishing Rod: the above,
>>> using -<>
>>>
>>> Swiss Arrows is available to try out right now at
>>> https://github.com/rplevy/swiss-arrows
>>>
>>> Feedback, ideas, and pull requests are of course very welcome.
>>>
>>> Rob
>>>
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>>
>>
>>
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