1 (* Copyright (C) 1999-2006 Henry Cejtin, Matthew Fluet, Suresh
2 * Jagannathan, and Stephen Weeks.
4 * MLton is released under a BSD-style license.
5 * See the file MLton-LICENSE for details.
12 val current: unit -> t
13 val equals: t * t -> bool
14 val fromString: string -> t option
15 val layout: t -> Layout.t
17 val toString: t -> string