You can also use as-> in 1.5+
(-> 2
(+ 2)
(as-> x (* 1 x 3)))
I like this a bit more than the (#()) approach, personally
On Sat, Jan 18, 2014 at 12:07 AM, Alex Baranosky
<[email protected]> wrote:
> What I think is the interesting part of the question is the inclusion of the
> word "idiomatic". I'm not sure swiss-arrows is idiomatic... that said I
> don't know what would be considered idiomatic here.a
>
> One solution I know of for examples like this is:
>
> (-> 2
> (+ 2)
> (#(* 1 % 3)))
>
> I'm not sure this is idiomatic either, but it at least has the benefit of
> requiring no additional dependencies.
>
>
>
> On Fri, Jan 17, 2014 at 11:29 PM, t x <[email protected]> wrote:
>>
>> You win. :-)
>>
>>
>> On Fri, Jan 17, 2014 at 11:26 PM, Shaun Gilchrist <[email protected]>
>> wrote:
>>>
>>> https://github.com/rplevy/swiss-arrows
>>>
>>>
>>> On Fri, Jan 17, 2014 at 11:05 PM, t x <[email protected]> wrote:
>>>>
>>>> I have the following:
>>>>
>>>> (defn helper [initial funcs]
>>>> (loop [fns funcs
>>>> ans initial]
>>>> (if (empty? fns)
>>>> ans
>>>> (recur (rest fns)
>>>> (list (first fns) ans)))))
>>>>
>>>> (defmacro => [initial & funcs]
>>>> (helper initial funcs))
>>>>
>>>> (macroexpand-1
>>>> '(=> 2
>>>> #(+ % 2)
>>>> #(* 1 % 3)))
>>>>
>>>>
>>>> Is there something part of the idiomatic clojure / clojure core which
>>>> does the above? Basically, I like the idea of -> and -->, but I find that I
>>>> can't always guarantee (1) last element or (2) 2nd element.
>>>>
>>>> The above lets me place the argument directly via #%
>>>>
>>>> Question: is there something part of idiomatic clojure / clojure core
>>>> that already does the above?
>>>>
>>>> Thanks!
>>>>
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