-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Simon Marlow wrote: > I definitely think that -1# should be parsed as a single lexeme. > Presumably it was easier at the time to do it the way it is, I don't > remember exactly. > > I'd support a warning for use of prefix negation, or alternatively you > could implement the Haskell' proposal to remove prefix negation > completely - treat the unary minus as part of a numeric literal in the > lexer only. This would have to be optional for now, so that we can > continue to support Haskell 98 of course. > > Cheers, > Simon
Yes, I've been thinking about how to implement both - details will come later when I have more time. I think I have a reasonably working idea of how to divide up the cases for warnings for ambiguous-looking use of both infix and prefix minus, as well as actual syntax changes... Isaac -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFGHLqHHgcxvIWYTTURAu4YAJ9v7fd8tkJLztqQxCblRGZy21UxfwCgn7++ OvLrEoLJtP9Uq8oQGeVhwA8= =hTdv -----END PGP SIGNATURE----- _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
