Thanks! Don pointed me to Oleg's page too. I *was* (90%) convinced that this is fundamentally different, but it sure looks similar. Kind of an inside-out polyvariadic function. Any given f only takes n args, but myApply doesn't know the value of n. In fact, a polyvariadic f would cause an infinite loop. At least a stack overflow.
Always nice to know you're in good company though. Cheers, Joel On 10/4/06, David House <[EMAIL PROTECTED]> wrote:
Nice work! I haven't tried it out, but you seem to have on the right trick here: typeclass hackery. An interesting related exercise to develop a similar function using Template Haskell [1]. Also of note might be Oleg's writings on true polyvariadic functions [2]. [1]: http://haskell.org/th [2]: http://okmij.org/ftp/Haskell/types.html#polyvar-fn
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