type t = Migrate_parsetree.Ast_406.Parsetree.constant =
| Pconst_integer of string * char option |
| Pconst_char of char |
| Pconst_string of string * string option |
| Pconst_float of string * char option |
val of_constant : Migrate_parsetree.Ast_406.Parsetree.constant -> t
Convert Asttypes.constant to Constant.t
val to_constant : t -> Migrate_parsetree.Ast_406.Parsetree.constant
Convert Constant.t to Asttypes.constant