Okay, found a fix do my own bug. You can use the with-ns namespace to
solve this issue. I changed the form to be like this:
(send test-result
(fn [& args] (with-ns 'my-ns (eval `(->> ~@(deref test-query))))))
FYI
On Apr 29, 5:09 pm, Sean Devlin <francoisdev...@gmail.com> wrote:
> Right...
> Is there a way to force an agent thread to be evaluated in a certain
> namespace?
>
> You see, the current design accepts a string, and uses read-string to
> parse it. i.e. I call a form like this a lot
>
> (send test-query conj (read-string (get-input)))
>
> Sean
>
> On Apr 29, 4:40 pm, Laurent PETIT <laurent.pe...@gmail.com> wrote:
>
>
>
> > Hello Sean,
>
> > You want
>
> > (def test-query
> > (agent
> > `[test-coll
> > (take 2)]))
>
> > to fully qualify test-coll (and also take, btw) because when passed to
> > eval on the agent's thread, who knows to which value *ns* will be
> > bound ?
>
> > (tested on my machine)
>
> > HTH,
>
> > --
> > Laurent
>
> > 2010/4/29 Sean Devlin <francoisdev...@gmail.com>:
>
> > > I'm having a lot of trouble getting an app to work. I'm using agents
> > > in a GUI app. For the sake of discussion I've got the following
> > > things defined:
>
> > > (def test-coll
> > > [{:a 1 :b 2 :c 3}
> > > {:a 4 :b 5 :c 6}
> > > {:a 7 :b 8 :c 9}
> > > {:a 10 :b 11 :c 12}
> > > ])
>
> > > (def test-query
> > > (agent
> > > '[test-coll
> > > (take 2)]))
>
> > > (def test-result (agent []))
>
> > > I want to execute test-query like so:
>
> > > user=> (eval `(->> ~@(deref test-query)))
> > > ({:a 1, :b 2, :c 3}
> > > {:a 4, :b 5, :c 6})
>
> > > This part works at the REPL fine. Next I wrap it in a closure:
>
> > > user=> ((fn [& args] (eval `(->> ~@(deref test-query)))))
> > > ({:a 1, :b 2, :c 3}
> > > {:a 4, :b 5, :c 6})
>
> > > Also fine.
>
> > > Now, I want to send this to the agent test-result
>
> > > user=> (send test-result (fn [& args](eval `(->> ~@(deref test-
> > > query)))))
> > > #<Agent (...)>
>
> > > user=> @test-result
> > > #<CompilerException java.lang.Exception: Agent has errors
> > > (NO_SOURCE_FILE:468)>
>
> > > user=> (agent-errors test-result)
> > > (#<CompilerException java.lang.Exception: Unable to resolve symbol:
> > > test-coll in this context (NO_SOURCE_FILE:459)>)
>
> > > Blargh.
>
> > > Why doesn't this work when I use send? I'm at a loss here.
>
> > > Sean
>
> > > --
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