On Jan 30, 2:17 pm, Alexander Yakushev <yakushev.a...@gmail.com>
wrote:
> Why not use a constraint? It looks much cleaner.
>
> (defn hello [& {:keys [a b] :as input}]
> {:pre [(= (set (keys input)) #{:a :b})]}
> "hello")
This is not the use case I was looking for (I listed it in a post
above). Constraints are a good place to do this but not sure how to
report the offending keyword clearly and easily using constraints --
as in, I need to preempt 'returning false' and throw
IllegalArgumentException with correct error message instead.
Regards,
Shantanu
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