Neil Brown f8b7e8f8cb Added unifying-related items to CompState, and changed all the uses of ST to IO in the TypeUnification module ... As part of this patch I also had to provide a Data instance for TypeExp (to allow CompState to still be an instance of Data). Using IORefs is easier than STRef RealWorld, and puts everything in terms of IO (which is already in PassM) rather than ST (which would require more lifting).		2008-05-17 12:50:52 +00:00
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AST.hs	Changed the AST to fix the different unknown/inferred types	2008-05-17 12:47:31 +00:00
CompState.hs	Added unifying-related items to CompState, and changed all the uses of ST to IO in the TypeUnification module	2008-05-17 12:50:52 +00:00
Metadata.hs	Rewrite findMeta in terms of listify.	2008-04-07 22:31:18 +00:00