[project @ 1998-01-08 18:03:08 by simonm]
The Great Multi-Parameter Type Classes Merge. Notes from Simon (abridged): * Multi-parameter type classes are fully implemented. * Error messages from the type checker should be noticeably improved * Warnings for unused bindings (-fwarn-unused-names) * many other minor bug fixes. Internally there are the following changes * Removal of Haskell 1.2 compatibility. * Dramatic clean-up of the PprStyle stuff. * The type Type has been substantially changed. * The dictionary for each class is represented by a new data type for that purpose, rather than by a tuple.
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