1 (* Copyright (C) 2009 Matthew Fluet.
2 * Copyright (C) 1999-2006, 2008 Henry Cejtin, Matthew Fluet, Suresh
3 * Jagannathan, and Stephen Weeks.
5 * MLton is released under a BSD-style license.
6 * See the file MLton-LICENSE for details.
13 val equals: t * t -> bool