Simon Marlow wrote: > I believe the solution we adopted for GHC 6.8.1 (and I proposed for > Haskell') strikes the right balance. > > M.where is lexed as an identifier. This doesn't require adding any > exceptions or corner cases to either the implementation or the > specification of the grammar. It is much easier to implement than the > existing Haskell 98 rule (I deleted 30 lines of code from GHC's lexer to > implement it). It's easy to understand. It removes an opportunity for > obfuscation. It must be the right thing!
Yes, and fortunately (for all tools that output names unqualified, like ghci's browse) an identifier like "M.where" is unusable, because ghc fails with: Qualified name in function definition Otherwise (or nevertheless) I would invest an extra code line in the lexer to rule out such identifiers. C. _______________________________________________ Glasgow-haskell-users mailing list [email protected] http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
