Hi all,
Suppose I have the following function:
(defn foo [x changeling]
(cond
(= (first x) 'bar)
(map #(foo % changeling) (rest x))))
(def foobar (atom {:something "in-here"}))
Now, changeling gets bound to (atom {:something "in-here"}). The
conditional in foo might contain another case that actually changes
changeling.
How can I avoid the binding of changeling to the initial value of the
atom and have the anonymous function passed to map use the current
(possibly changed) value of changeling?
E.g. x is a list of functions working on changeling like (bar (add-to-
changeling :something :else) (do-something-with-changeling)). So bar
causes each of the elements of (rest x) to evaluate. add-something-to-
changeling adds stuff to changeling, do-something-with-changeling does
work depending on the recently added stuff.
Andreas
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