[boost] Re: boost::operators -> boost::iterator_ops ?

From: jsiek_at_[hidden]
Date: 1999-11-28 16:04:39

Dave Abrahams writes:
 > > One minor quibble, and it's only with your test_iter, not with your
 > > proposed boost code.  Needs:
 > >
 > >  friend Distance operator - (const self& x, const self& y) {return x._i -
 > > y._i;}
 > 
 > Actually, I think that should be part of randomly_accessible, don't you?

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