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[project @ 1998-12-22 16:31:28 by simonpj]
[ghc-hetmet.git]
/
ghc
/
compiler
/
types
/
TyCon.lhs
diff --git
a/ghc/compiler/types/TyCon.lhs
b/ghc/compiler/types/TyCon.lhs
index
efd7d02
..
189b0da
100644
(file)
--- a/
ghc/compiler/types/TyCon.lhs
+++ b/
ghc/compiler/types/TyCon.lhs
@@
-248,11
+248,11
@@
isAlgTyCon (AlgTyCon {}) = True
isAlgTyCon (TupleTyCon {}) = True
isAlgTyCon other = False
isAlgTyCon (TupleTyCon {}) = True
isAlgTyCon other = False
--- isDataTyCon returns False for @newtype@.
+-- isDataTyCon returns False for @newtype@ and for unboxed tuples
isDataTyCon (AlgTyCon {algTyConFlavour = new_or_data}) = case new_or_data of
NewType -> False
other -> True
isDataTyCon (AlgTyCon {algTyConFlavour = new_or_data}) = case new_or_data of
NewType -> False
other -> True
-isDataTyCon (TupleTyCon {}) = True -- is an unboxed tuple a datatype?
+isDataTyCon (TupleTyCon {tyConBoxed = True}) = True
isDataTyCon other = False
isNewTyCon (AlgTyCon {algTyConFlavour = NewType}) = True
isDataTyCon other = False
isNewTyCon (AlgTyCon {algTyConFlavour = NewType}) = True