sig
type t = Migrate_parsetree.Ast_411.Asttypes.arg_label
type desc =
Migrate_parsetree.Ast_411.Asttypes.arg_label =
Nolabel
| Labelled of string
| Optional of string
val explode : Ast_convenience_411.Label.t -> Ast_convenience_411.Label.desc
val nolabel : Ast_convenience_411.Label.t
val labelled : string -> Ast_convenience_411.Label.t
val optional : string -> Ast_convenience_411.Label.t
end