foldl laziness support. Reply

[roconnor at theorem.ca]

Although this doesn't answer your question, I think it is releated.  When 
implementing SHA, I need to create a recursive function to append the 
length of a string to the string.  This function needed to be strict, 
because it needed to accumulted the length of the string, and it needed to 
be lazy, because it needed to re-emmit the characters that it consumed.

I have a short discussion about this at 
<http://r6.livejournal.com/91508.html>.

-- 
Russell O'Connor                                      <http://r6.ca/>
``All talk about `theft,''' the general counsel of the American Graphophone
Company wrote, ``is the merest claptrap, for there exists no property in
ideas musical, literary or artistic, except as defined by statute.''