According to Pierce's book, O'Caml has an optional equirecursive type extension that turns off the occurs check. Is there any particular reason Haskell doesn't have that available?
Here's what got me thinking about it: http://lambda-the-ultimate.org/node/1360#comment-15656 Jim _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
