2010/8/4 limux <liumengji...@gmail.com>:
> Thanks for your very very helpful help.
>
> I want to do something like rails's activerecord orm,
> The following is the primary idea:
>
> (defmacro defmodel [model-name]
> `(let [temp# ~(symbol (str "app.model." model-name))]
> (do
> ;; create the namespace according to model name
> (ns temp#)
> ;; define some relevant functions in the ns created
> previously.
> (defn find [] (prn "hello"))
> ;; over
> ))
>
This is not what you want.
On a model named thing it evaluates to :
(let [tempXXX app.model.things]
(ns temp#).....
This is not good.
You likely want
(let [ns-symbol (symbol ....)] ; I have my symbol, I can return a term
`(do
(ns ~ns-symbol)
(defn hello [] ....))))
Is it working better?
You might want to have a look to already existing Rails like framework
in Clojure.
(I don't know well which parto of any is the ActiveRecord part, so I
won't tell any name, but there is a thread about web development
on this maling list that could be a could place to start.)
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