From: Dave Abrahams (abrahams_at_[hidden])
Date: 1999-11-28 16:36:21


Howard and Jeremy pointed out:

> The "difference" operator- is one of the core operations that can't
> be implemented in terms of one of the others :(

Duh. Or as my lovely wife would say, "crippity crap!" Is there something we
can do to force people to implement it when they derive from the random
access helper? Perhaps using the concept_checks technique would work.

-Dave