Hi,
## Question:
For a channel, is it possible to put a pre-condition of sorts on a
channel?
For example:
(let [chan (async/chan 100)]
(set-pre-condition! chan even?)
(put! chan 1) ;; exception thrown
(>!! chan 3) ;; exception thrown
)
## Asides
It's important that I want the exception to be thrown at the time of put,
NOT at the time of take via <! or <!!.
Thanks!
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