--- Robert Dockins <[EMAIL PROTECTED]> wrote: > Then perhaps it is worth considering having multiple > implementations and > choosing between them with pragmas and/or command > line switches (with > a sensible default naturally). Maybe doubly linked > lists are not a > great idea, but if we had a good implementation > with, eg. O(1) access to > both ends of the list but poor sharing, we can > choose to use it only in > cases where queue semantics are important and > sharing is not. It would > be nice to be able to monkey about with that kind of > "under the hood" > functionality w/o having to make any code changes. > You could also do > fun things like have chained-buffer list > implementations for [Word8], > [Char] etc.
Lists are an integral part of the Haskell language, and in fact most languages have some version of list at a fundamental level. Here's an interesting (not necessarily useful!) shift of viewpoint: What if List were a type class? Shawn _______________________________ Do you Yahoo!? Declare Yourself - Register online to vote today! http://vote.yahoo.com _______________________________________________ Haskell-Cafe mailing list [EMAIL PROTECTED] http://www.haskell.org/mailman/listinfo/haskell-cafe