Re: (N2118)Rvalue reference may create a loophole in the type system
on Thu Jul 19 2007, pongba-AT-gmail.com wrote:
In particular I'm considering the following code:
int&& i = 0;
this actually compiles(because a named rvalue reference is treated as
a lvalue for safety reasons(e.g. moved more than once)), which is very
bothersome, because the whole point of the current wording that
forbids non-const reference to bind to rvalue is to prevent users from
modifying a rvalue through a reference.
rvalue references provide a way to _explicitly_ circumvent that rule.
That's a major feature, without which rvalue references would be
One might consider prohibiting auto ("on the stack") rvalue
references, though. I'm not sure whether they're useful. Howard?
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