20 Apr
2007
20 Apr
'07
11:15 a.m.
On 04/19/2007 09:33 PM, Eric Niebler wrote: [snip]
The pattern _ is a wildcard that matches anything. So not_<_> is a degenerate pattern that matches nothing.
The "wildcard" is the concept I was missing :( Although I remember reading about it, my mind was still thinking that proto's _ was somehow like mpl's _, i.e. somehow like an argument placeholder. Thanks very much for the clarification and please excuse my not rereading the docs. -regards, Larry