On Jan 16, 11:10 am, BerlinBrown <berlin.br...@gmail.com> wrote:
> I am working on this GUI tool and want to keep 'global' data
> structures in memory. For example, lets say I have a checkbox and
> want to be able to keep and access the state of that checkbox at any
> time. Right now, I am thinking the easiest thing to do is using a
> Java hashmap and change the state when needed.
>
> (def my-map (new HashMap))
>
> (defn init-hash-map []
> (. my-map put "checkbox-state" "false"))
>
> (defn get-checkbox-state []
> (. my-map get "checkbox-state"))
>
> ...
> ...
>
> Is this bad clojure or lisp code (probably is), but what are some
> other approaches?
I hear that in Erlang, you can use processes to work with mutable
state. And some say that Clojure has some similar functionality.
Should I use 'ref' or 'agent' to do this?
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