So start with something like:
(def a '(+ 3 9))
Then write a function where:
(evaltree a)
=> (12 3 9)
Don't worry about recursion to start with. Just get the simplest case
working first.
- James
On 14 November 2015 at 17:46, <[email protected]> wrote:
> Sorry I'm a complete rookie at this that didn't make a bit of sense to me.
> So far I have this:
>
>
> (def a '(* (+ 5 (* 3 7)) (- 6 8)) )
>
> (defn evaltree [tree] (cons (eval (first (rest tree))) tree))
>
> all i have so far which evals the first part of list but doesn't recurse
> through to do the rest of the list and doesn't replace the operator it only
> adds the value to the beginning
>
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