Mike, are you referring to this:
http://groups.google.com/group/clojure/browse_thread/thread/b4704108d85693d0/84dd4b690b6d7afd?lnk=gst&q=alias#84dd4b690b6d7afd
?
Roger, I realize this invalidates your test, but if do this instead,
the error goes away:
(alias 'c 'coretest)
(testing "test alias function"
(is (= 1
(do
(c/foo true)
))))
As I understand it, the Clojure reader expects to be able to resolve
namespace references as soon as it sees them. Since "alias" is a
function, the "c" alias doesn't exist until sometime after the reader
has already run. I think you will encounter a similar problem with
the import macro.
> I can't seem to find the explanation I once saw for this. It's
> something like: "c/foo" is resolved when the "do" form is _read_ ...
> at which point the alias hasn't happened yet.
>
> On Jan 2, 3:14 pm, Roger Gilliar <[email protected]> wrote:
>
> > Hi !
>
> > Given the code below, I'm wondering why I get
>
> > No such namespace: c
>
> > It would be nice if some could explain to me what I'm doing wrong.
>
> > Regards
> > Roger
>
> > (ns coretest
> > (:use [clojure.test])
> > )
>
> > (defn foo [x]
> > (condp = x
> > true 1
> > false 2
> > )
> > )
>
> > (testing "test alias function"
> > (is (= 1
> > (do
> > (alias 'c 'coretest)
> > (c/foo true)
> > ))))
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