Hi- I have a bug in my code related most likely to my misunderstanding
of some arcane corner of Clojure namespaces... can someone tell me
what I'm missing?
First, create the following 2 files:
--- foo.clj ---
(ns foo)
(def x (ref true))
--- end foo.clj ---
--- bar.clj ---
(ns bar
(:use foo))
(defn change-x []
(dosync (ref-set x false)))
--- end bar.clj ---
Now, run the following from the REPL:
user=> (load "bar")
user=> (in-ns 'bar)
bar=> x
#<r...@15291cd: true>
bar=> (change-x)
#<r...@15291cd: false>
bar=> x
#<r...@15291cd: false>
bar=> (load "bar")
bar=> x
#<r...@15291cd: false>
As you can see, the value of x remains false, despite the fact that I
reloaded the file... can someone explain to me why reloading the code
doesn't cause the variable x to be redefined back to true? It seems if
variables in "used" files aren't re-def'ed then you can't properly re-
load your code if you have multiple namespaces...
Thanks!
Conrad Barski
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