On Sat, 2009-08-22 at 15:52 +1000, John Lask wrote: > in declaring fixity for an operator (\\) to get it to compile using ghc > 6.10.4, I needed to use the following code > > infixl 9 \\\ > (\\) a b = etc ... > > where I assume the first \ escapes the second \, using infixl 9 \\ generates > a syntax error > > infixl 9 \\ used to compile no problems with ghc 6.8.2 > > what is going on here ?
Usually this problem is related to cpp, since \\ at the end of a line has special meaning to cpp. Are you sure that you're comparing like with like when you say it worked in ghc-6.8.2? If you're using cpp for the module now and in the past you were not then that would explain it. Another trick I've seen is: infixl 9 \\ -- this comment is here to defeat evil cpp mangling Duncan _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
