2 * 2004 Matthew Fluet (mfluet@acm.org)
3 * Ported to MLton threads.
7 * COPYRIGHT (c) 1995 AT&T Bell Laboratories.
8 * COPYRIGHT (c) 1989-1991 John H. Reppy
13 datatype cvar = datatype RepTypes.cvar
14 datatype cvar_state = datatype RepTypes.cvar_state
16 val new : unit -> cvar