Hi All,
I had a terrible time trying to write a convenience macro for reading from a
core.async channel.
The idea was to make it easier to do the common "dispatch on first part of a
message" pattern, as in:
(let [[msg & args] (<! my-channel)]
(case msg
:msg1 (let [[a b] args] ...)
:msg2 (let [[x] args] ...)))
After a long struggle I came to the conclusion that there is some problem with
using macros inside a go block, or at least using <! inside a macro. Is that
right? Is this documented anywhere?
Thanks
Tom
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