------- Comment #2 from and...@metalanguage.com 2009-01-24 08:45 -------
(In reply to comment #1)
> How would you use such a thing?
> The trouble is that F!(int, char, Object) in itself is ambiguous - does T1
> bind to int and T2 to (char, Object), or T1 to (int, char) and T2 to
> Object? Even one to the empty tuple and the the other to the whole thing?
> F!(int, char, Object) would effectively have to be an internal, intermediate
> template with the point of division as a parameter.
> If you try to call the whole thing using IFTI, it's still ambiguous - what
> T1 bind to?
> Maybe it could be made to work, if the compiler can be made to try to match
> templates before expanding symbolic tuples under suitable conditions.
When instantiated explicitly, all explicit arguments are eaten by T1. This is
the purpose of the pattern: pass some explicit arguments, then deduce some more
implicitly. Currently this is possible, but only with one ellipsis.