On Mon, 1 Mar 2010 11:01:36 -0800 (PST)
ataggart <alex.tagg...@gmail.com> wrote:
> No, but if you need to do that, then you can do what deftype sort-of
> does:
>
> user=> (defstruct St :a :b)
> #'user/St
> user=> (defn st ([a] (struct St a 0.0)) ([a b] (struct St a b)))
> #'user/st
> user=> (st 5)
> {:a 5, :b 0.0}
>
>
Thanks for this.
Now I tried a different way:
(defstruct st :a :b)
(defn my-struct-map [s & inits]
(let [sm (struct-map s inits)]
(if (= nil (sm :b))
(assoc sm :b 0.0)
sm))
)
Unfortunately, the part sm (struct-map s inits) doesn't work. I have no
idea what is wrong with my code.
--
Manfred
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