type TypeFunMap = Map.Map OrdType [AST.SubProgBody]
-- A map of a Haskell function to a hardware signature
-type SignatureMap = Map.Map String Entity
+type SignatureMap = Map.Map CoreSyn.CoreBndr Entity
-- A map of a builtin function to VHDL function builder
type NameTable = Map.Map String (Int, [AST.Expr] -> AST.Expr )