(defn destructure [binding-form]
...magic...)
(defmacro let [forms body]
`(let* ~(vec (destructure forms))
~@body))
On Feb 7, 1:46 pm, CuppoJava <patrickli_2...@hotmail.com> wrote:
> Actually that would be fine as a solution as well. I'm stumped as to
> how to avoid repeating the same thing twice (once in function world
> and once in macro world).
>
> ie. Let's assume that we have this destructuring function. How do we
> use that do program a destructuring let macro?
>
> -Patrick
>
> On Feb 7, 3:32 pm, Ken Wesson <kwess...@gmail.com> wrote:
>
> > On Mon, Feb 7, 2011 at 3:01 PM, Meikel Brandmeyer <m...@kotka.de> wrote:
> > > Hi,
>
> > > Am 07.02.2011 um 20:51 schrieb CuppoJava:
>
> > >> Thanks for your answer Meikel.
>
> > >> Your answer isn't that ugly. It's very similar to what I have as
> > >> well.
>
> > >> I would like to know if you think it's possible to re-use "let" to do
> > >> this. I feel like I'm re-inventing the wheel somewhat.
>
> > > I don't think you can use let without resorting to macros since let
> > > itself is one. Once in macro, always in macro world.
>
> > > As fogus said: you could copy the logic from c.c/destructure and make it
> > > do the calls instead of emitting code. But I don't think there is a
> > > pre-fabricated function doing that.
>
> > Arguably there should be, with the let macro calling it to do the
> > heavy lifting but also available for direct user use.
>
>
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