On 03/29/2011 10:52 AM, Meikel Brandmeyer wrote:
Ah. Now things become clear. I haven't read the problem correctly. You
want [(with-meta key {:key true})].
Thanks, but unfortunately, that builds, but does not set the named key
(running number for the ID/name attribute, again).
['^:key key] or [`^:key ~key] do set ID/name, but key will be
interpreted literally.
['^:key ~key] ; does not compile
[^:key key] or [(with-meta key {:key true})] do not set ID/name.
Any other ideas?
At least, I found a solution for my "define that list only once" and
"macros don't evaluate their arguments" problem: use of eval inside the
macro definition:
----
(ns tlog.models
(:require [appengine-magic.services.datastore :as ds]))
(def article-attrs '[title, body, created-t, updated-t])
(defmacro def-entity-and-attrs [type key attrs]
`(ds/defentity ~type ~(vec (concat [(with-meta key {:key true})]
(eval attrs)))))
(def-entity-and-attrs Article slug article-attrs)
----
--
Thorsten Wilms
thorwil's design for free software:
http://thorwil.wordpress.com/
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