On Feb 23, 2010, at 8:47 PM, pthatcher <[email protected]> wrote:
I noticed a funny bug in Clojure 1.2's case macro. It doesn't work with *vars*. For example: (def *a* "a") ;this is true (case "a" "a" true false) ;but this is false! (case "a" *a* true false)
If you read the first line or two of the docs for case I think you'll see it's not a bug but documented behavior. The values in the case test clauses must be constants, so not a var or local. If you need those test values to be evaluated then your "work around" of using condp (or cond) is entirely appropriate.
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