On Sat, Oct 07, 2006 at 07:49:48PM -0700, Jonathan Lang wrote: : Another possibility: make it work. Add a "delayed" parameter trait : that causes evaluation of that trait to be postponed until the first : time that the parameter actually gets used in the routine. If it : never gets used, then it never gets evaluated. I could see uses for : this outside of the narrow scope of implementing substitutions.
Tell me how you plan to do MMD on a value you don't have yet. Larry
