Here is a somewhat simplified example:
Lets say you decide to model positions as {:x 12 :y 10} {:x 23 :y 34}
...And then you want to describe what is present at each of these positions
Then this can simply be done using a map
{ {:x 12 :y 10} "A house",
{:x 23 :y 34} "Other house"}
This ma
Consider
clojure.core/frequencies
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this is in reference to the followng article
http://blog.safaribooksonline.com/2013/08/06/two-simple-clojure-tricks-with-values/
wherin it says any value ( function , vector , other data structure of clj)
can be used as key for a hashed map.
can anybody enlighten how is it useful if functi
