As often as this comes up, I wonder if TCO and loop/recur deserve
their own section in the reference section.
Bill
On Nov 29, 4:11 am, "Kevin Downey" <[EMAIL PROTECTED]> wrote:
> the jvm does not do TCO, loop/recur allows for functional looking
> recursion on the jvm with constant stack size.
>
>
>
> On Sat, Nov 29, 2008 at 1:25 AM, bOR_ <[EMAIL PROTECTED]> wrote:
>
> > Hi all,
>
> > I wondered if there is a difference between using loop-recur or merely
> > writing a recursive function. The main difference I found thus far was
> > that the loop-recur can suffice with less arguments, but the recursive
> > functions seem to be shorter, and perhaps more elegant?
>
> > (defn construct-atom
> > "translates a number n into an set of letters of size n"
> > [construct length]
> > (if (< (count construct) length)
> > (construct-atom (conj construct (char (+ (rand-int amino_acids)
> > 65))) length)
> > construct))
>
> > (defn construct-atom-loop
> > "translates a number n into an set of letters of size n"
> > [n]
> > (let [base_construct #{}]
> > (loop [construct base_construct]
> > (if (< (count construct) n)
> > (recur (conj construct (char (+ (rand-int amino_acids) 65))))
> > construct))))
>
> --
> And what is good, Phaedrus,
> And what is not good—
> Need we ask anyone to tell us these things?
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