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[ghc-hetmet.git] / compiler / basicTypes / Var.lhs

diff --git a/compiler/basicTypes/Var.lhs b/compiler/basicTypes/Var.lhs
index 4c49d85..c52844b 100644 (file)
--- a/compiler/basicTypes/Var.lhs
+++ b/compiler/basicTypes/Var.lhs
@@ -363,7 +363,7 @@ setIdNotExported id = ASSERT( isLocalId id )
 %************************************************************************
 
 \begin{code}
-isTyVar :: Var -> Bool
+isTyVar :: Var -> Bool         -- True of both type and coercion variables
 isTyVar (TyVar {})   = True
 isTyVar (TcTyVar {}) = True
 isTyVar _            = False