Import Upstream version 20180207
[hcoop/debian/mlton.git] / lib / mlton / basic / choice-pattern.sig
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1(* Copyright (C) 2009 Matthew Fluet.
2 * Copyright (C) 2002-2006 Henry Cejtin, Matthew Fluet, Suresh
3 * Jagannathan, and Stephen Weeks.
4 *
5 * MLton is released under a BSD-style license.
6 * See the file MLton-LICENSE for details.
7 *)
8
9signature CHOICE_PATTERN =
10 sig
11 (* expand "ab{c{d,e},f{gh}}{i,j}" =
12 * ["abcdi", "abcdj", "abcei", "abcej", "abfghi", "abfghj"]
13 *)
14 val expand: string -> string list Result.t
15 end