Re: How would I do this in Clojure?

[Kelker Ryan]

user> (def a-blah (atom [1 2 3]))
#'user/a-blah
user> (defn blah [] (let [x (first @a-blah)] (swap! a-blah rest) x))
#'user/blah
user> (blah)
1
user> (blah)
2
user> (blah)
3
user> (blah)
nil
 

 

06.12.2013, 03:46, "David Simmons" <shortlypor...@gmail.com>:

Hi

 

I'd like to be able to define a function that is passed a vector of items and returns a function such that each time the returned function is called it returns the next item in my-vector.

 

For example 

 

(def blah (my-function [1 2 3])

 

(blah) => 1

(blah) => 2

(blah) => 3

 

Is this possible?

 

cheers

 

Dave

 

 

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