Reduce is not lazy, correct? Will it ever return for drop-while to execute.
The problem here is not knowing how many iterations make up the sum, isnt?


On Thu, May 1, 2014 at 1:13 PM, James Reeves <ja...@booleanknot.com> wrote:

> I'd suggest generating an intermediate seq with the summed time:
>
> (defn state [time]
>   (->> (thomsons-lamp)
>        (reduce (fn [[_ t] [onoff dur]] [onoff (+ t dur)]))
>        (drop-while (fn [[_ t]] (< t time)))
>        first second))
>
> - James
>
>
>
> On 1 May 2014 20:06, Divyansh Prakash <divyanshprakas...@gmail.com> wrote:
>
>> Hey!
>> I wrote a blog post discussing Thomson's Paradox, and simulated it in
>> Clojure-
>>     http://pizzaforthought.blogspot.in/2014/05/and-infinity-beyond.html
>>
>> The *state* function defined towards the end is not very functional.
>> Could someone guide me towards a cleaner approach?
>>
>> Also, I can't find good code-highlighting tools for blogger/clojure. Any
>> suggestions?
>>
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