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