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-rw-r--r--src/PGF/Macros.hs5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/PGF/Macros.hs b/src/PGF/Macros.hs
index b79715f44..4c73817dc 100644
--- a/src/PGF/Macros.hs
+++ b/src/PGF/Macros.hs
@@ -38,6 +38,11 @@ lookDef :: PGF -> CId -> Expr
lookDef pgf f =
snd $ lookMap (error $ "lookDef " ++ show f) f (funs (abstract pgf))
+isData :: PGF -> CId -> Bool
+isData pgf f = case Map.lookup f (funs (abstract pgf)) of
+ Just (_,EMeta 0) -> True ---- the encoding of data constrs
+ _ -> False
+
lookValCat :: PGF -> CId -> CId
lookValCat pgf = valCat . lookType pgf