Flow_ast.Varianceval pp :
(Ppx_deriving_runtime.Format.formatter -> 'M -> Ppx_deriving_runtime.unit) ->
Ppx_deriving_runtime.Format.formatter ->
'M t ->
Ppx_deriving_runtime.unitval show :
(Ppx_deriving_runtime.Format.formatter -> 'M -> Ppx_deriving_runtime.unit) ->
'M t ->
Ppx_deriving_runtime.stringval pp_t' :
(Ppx_deriving_runtime.Format.formatter -> 'M -> Ppx_deriving_runtime.unit) ->
Ppx_deriving_runtime.Format.formatter ->
'M t' ->
Ppx_deriving_runtime.unitval show_t' :
(Ppx_deriving_runtime.Format.formatter -> 'M -> Ppx_deriving_runtime.unit) ->
'M t' ->
Ppx_deriving_runtime.string