ocaml/parsing/asttypes.mli

59 lines
1.9 KiB
OCaml

(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. *)
(* *)
(* All rights reserved. This file is distributed under the terms of *)
(* the GNU Lesser General Public License version 2.1, with the *)
(* special exception on linking described in the file LICENSE. *)
(* *)
(**************************************************************************)
(* Auxiliary a.s.t. types used by parsetree and typedtree. *)
type constant =
Const_int of int
| Const_char of char
| Const_string of string * string option
| Const_float of string
| Const_int32 of int32
| Const_int64 of int64
| Const_nativeint of nativeint
type rec_flag = Nonrecursive | Recursive
type direction_flag = Upto | Downto
(* Order matters, used in polymorphic comparison *)
type private_flag = Private | Public
type mutable_flag = Immutable | Mutable
type virtual_flag = Virtual | Concrete
type override_flag = Override | Fresh
type closed_flag = Closed | Open
type label = string
type arg_label =
Nolabel
| Labelled of string (* label:T -> ... *)
| Optional of string (* ?label:T -> ... *)
type 'a loc = 'a Location.loc = {
txt : 'a;
loc : Location.t;
}
type variance =
| Covariant
| Contravariant
| Invariant