On Dec 17, 8:31 am, Ken Wesson <[email protected]> wrote:
> > 2. Is there a form for anonymous macros?
>
> Nope. I'm not sure why you'd want one, either.
This was my reaction too, but after some thought I can imagine
scenarios where it would be useful. For example, say I want to defn
several versions of the same function, with slightly different
options:
(defn quiet-foo [x]
(magic x :quiet))
(defn loud-foo [x]
(magic x :loud))
I could write a macro to do this, then call the macro N times for my N
functions:
(defmacro make-foo [name opt]
`(defn ~name [x#]
(magic x# ~opt)))
(make-foo quiet-foo :quiet)
But it might be nice to have some syntax like:
((macro [& name-opts]
(doseq [[name opt] (partition 2 name-opts)]
`(defn ~name [x#]
(magic x# ~opt))))
[quiet-foo :quiet, loud-foo :loud])
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