Module Record_field_handler.Yojson_of

type t = [
| common
| `drop_default of [ `no_arg | `compare | `equal | `yojson | `func of Ppxlib.expression ]
| `drop_if of Ppxlib.expression
| `keep
]
val create : loc:Ppxlib.Location.t -> Ppxlib.label_declaration -> t