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1(*---------------------------------------------------------------------------
2 Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
3 SPDX-License-Identifier: ISC
4 ---------------------------------------------------------------------------*)
5
6(** Source spans representing ranges in input *)
7
8type t = {
9 start : Position.t;
10 stop : Position.t;
11}
12
13val make : start:Position.t -> stop:Position.t -> t
14(** Create a span from start and stop positions *)
15
16val point : Position.t -> t
17(** Create a zero-width span at a single position *)
18
19val merge : t -> t -> t
20(** Merge two spans into one covering both *)
21
22val extend : t -> Position.t -> t
23(** Extend a span to a new stop position *)
24
25val pp : Format.formatter -> t -> unit
26(** Pretty-print a span *)
27
28val to_string : t -> string
29(** Convert span to string *)
30
31val compare : t -> t -> int
32(** Compare two spans *)
33
34val equal : t -> t -> bool
35(** Test equality of two spans *)