How does one go about getting Slime to catch exceptions from spawned
threads:
user> (.start (Thread. (fn [] (/ 42 0))))
The above exception ends up "outside" of Slime now; back in the terminal
where `lein swank' was started.
I tried using a future also, but it has some properties I don't understand.
This does not show an exception, even though the divide by zero must have
happened(?):
user> (let [it (future (/ 42 0))]
(Thread/sleep 100)
(println (realized? it)))
true
nil
..this does show the excpetion, but "late":
user> (let [it (future (/ 42 0))]
(Thread/sleep 100)
(println (realized? it))
(deref it))
true
; Evaluation aborted.
Agents catches exceptions "within themselves" for extraction later, but that
isn't suitable in my current case.
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