From: Peter Dimov (pdimov_at_[hidden])
Date: 2005-10-17 08:17:45
Joel de Guzman wrote:
> No. Under the "behave as a reference" model, references should
> bind only on construction. Everything else is assignment to the
> referenced object. No rebind.
Cool. This eliminates some problematic cases.
But now consider
variant<X&, Y> v( x );
v = y; // assigns y to x
What if Y == nil? Should v = nil(); assign nil() to x?