Robert Dockins wrote: > BTW can you give some references to these known techniques?
See also, "Purely Functional Data Structures" by Chris Okasaki for functional implementations of queues, dequeues, etc. www-2.cs.cmu.edu/~rwh/theses/okasaki.pdf Greg Buchholz _______________________________________________ Haskell-Cafe mailing list [EMAIL PROTECTED] http://www.haskell.org/mailman/listinfo/haskell-cafe