Module Ast_convenience_403.Label

type t = Migrate_parsetree.Ast_403.Asttypes.arg_label
type desc = Migrate_parsetree.Ast_403.Asttypes.arg_label =
| Nolabel
| Labelled of string
| Optional of string
val explode : t -> desc
val nolabel : t
val labelled : string -> t
val optional : string -> t