On Thu, Oct 30, 2003 at 09:26:11AM -0800, Bradd W. Szonye wrote: > scgmille@xxxxxxxxxxxxxxxxxx wrote: > > The problem here is that the generic inter-collection operators > > (add-all, etc) are too useful. > > How are they more useful than just using lists as an intermediate form? > Define a translation to and from lists, and you can handle most of the > generic operations that SRFI-44 supports. Sure, the performance will > suck in some cases, but that's already true for SRFI-44 as specified. Performance and efficiency. Imagine a five-million element sequence. Converting to a list, then back requires you to have 15 million elements active in your scheme, or in general 1/3 more memory than is really necessary. I'd like to know what beyond lacking collection specific shortcut functions is inefficient in the current SRFI.
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