Sean Johnson has a great video about pattern matching, where he suggests
that any function that starts with a conditional should have the
conditional removed and the conditional logic implemented as
pattern-matching and restructuring in the signature of the function. But
after some experimentation, I have failed to figure out a way to do this
here:
(defn add-parties-to-customer-queue [parties]
(if (seq parties)
(swap! customer-queue
(fn [previous-customer-queue]
(apply conj previous-customer-queue parties)))))
"parties" sometimes has a vector of vectors, but sometimes it is simply: ()
Is there any way I can match against that pattern in the function
signature?
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