altconToVHDLExpr (DataAlt dc) = dataconToVHDLExpr dc
altconToVHDLExpr (LitAlt _) = error "\nVHDL.conToVHDLExpr: Literals not support in case alternatives yet"
altconToVHDLExpr (DataAlt dc) = dataconToVHDLExpr dc
altconToVHDLExpr (LitAlt _) = error "\nVHDL.conToVHDLExpr: Literals not support in case alternatives yet"