Clojure closure

Question

the other day I was trying to come up with an example of closure in Clojure. I came up with and example I had seen before and thought it was appropriate.

Alas, I was tol

Answer 1

I wanted to have something that setup constant value(s) that are to be used each time.

(def myran 
  (let [constrand (rand)]
    (fn [n] (* n constrand))))


(myran 3)
2.7124521745892096
(myran 1)
0.9041507248630699
(myran 3)
2.7124521745892096

This will only set a value for "constrand" once. This is a very contrived example, but I wanted to be able to do something like:

This is from: JavaScript: The Good Parts