+instance ConvertSuccess ContDispo Ascii where
+ {-# INLINE convertSuccess #-}
+ convertSuccess = convertSuccessVia ((⊥) ∷ AsciiBuilder)
+
+instance ConvertSuccess ContDispo AsciiBuilder where
+ {-# INLINE convertSuccess #-}
+ convertSuccess (ContDispo {..})
+ = cs dType ⊕ cs dParams
+
+deriveAttempts [ ([t| ContDispo |], [t| Ascii |])
+ , ([t| ContDispo |], [t| AsciiBuilder |])
+ ]