I'm still a bit confused on the use of set!
I would like to define a configuration variable that is easy to change,
but which is not critical to my infrastructure; it's will set some
default behaviours.
Now, I can do things like
(binding [*warn-on-reflection* true]
(do-some-function))
and it does the right thing. Similarly, I can do
(def ^{:dynamic true} *my-test* false)
(binding [*my-test* true]
(do-some-function))
and this all works.
However, while I can do
(set! *warn-on-reflection* true)
I cannot do
(set! *my-test* true)
because I cannot change the root binding. What I confused about is how
does this work with *warn-on-reflection*? Where is the root binding? And
how come I am not trying to set it also? Can I get similar behaviour for
one of my vars? Or do I need to do something like:
(def *my-test* (atom true))
(reset! *my-test false)
but then I loose my dynamic binding?
Phil
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