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John Cowan wrote:
Marc Feeley scripsit:Are you saying that the programmer writes (foo 'bar foo: 32 bar: 54) and the compiler transforms this to (foo 'bar (list (cons 'foo: 32) (cons 'bar: 54)))No, to a literal, not a run-time constructor.
What if you replace 32 and 54 by non-literal expressions?
... A general implementation of SRFI 89 must parse the list of parameters at run time because some of the keywords may be computed.What are the use cases for computed keywords?
As long as one can handle computed keywords using (apply ...) or some similar higher-order function, then I really don't care about computed keyword support in the "sugared syntax". Note also that if we define [as I suggested in my previous message] keyword: value ;; or whatever alternative syntax is chosen as syntactic sugar for: (make-association 'keyword value) then handling computed keywords is easy by writing an explicit make-association call. -- --Per Bothner firstname.lastname@example.org http://per.bothner.com/