Nothing deep. Just that "=" means so many things that it seemed better to use a different notation. S | -----Original Message----- | From: glasgow-haskell-users-bounces@haskell.org [mailto:glasgow-haskell-users-bounces@haskell.org] On Behalf Of | Isaac Dupree | Sent: 04 December 2007 15:59 | To: Jan-Willem Maessen | Cc: Glasgow-haskell-users@haskell.org; Simon Peyton-Jones | Subject: type equality symbol | | >> conv :: (a~b) => a -> b | >> conv = id | | is there any particular reason that '~' is the symbol for type equality | constraints? I would think '=' would be the obvious choice, (although | perhaps it is already over-used, and is normally asymmetric in Haskell!)? | | Isaac | _______________________________________________ | Glasgow-haskell-users mailing list | Glasgow-haskell-users@haskell.org | http://www.haskell.org/mailman/listinfo/glasgow-haskell-users