type desc = Migrate_parsetree.Ast_410.Asttypes.arg_label =
| Nolabel |
| Labelled of string |
| Optional of string |
val nolabel : t
val labelled : string -> t
val optional : string -> t
Ast_convenience_410.Label
type desc = Migrate_parsetree.Ast_410.Asttypes.arg_label =
| Nolabel |
| Labelled of string |
| Optional of string |
val nolabel : t
val labelled : string -> t
val optional : string -> t