On Tue, Oct 28, 2003 at 07:42:20PM -0800, Tom Lord wrote: > > > > From: scgmille@xxxxxxxxxxxxxxxxxx > > > There is simply no way to have genericly programmable > > collections without some generic dispatch mechanism. Nearly all > > Scheme implementations currently have it. > > So what if they do? Are those mechanisms standardized in a SRFI? They don't need to be, just as the mechanisms for implementing continuations or threads don't need to be standardized to support SRFI-18. It would be nice if they were, but we can have a portable implementation without them. Scott
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