Re: Reference to void
Greg Herlihy wrote:
The following is a "reference to const":
const int i = 3;
const int& iRefConst = i;
and differs from the original example significantly: namely iRefConst
has an immutable value whereas iRef does not.
Then what is ref in
void f(int const& ref);
int my_rand();
void g()
{
int i = 1;
int const ci = 2;
f(my_rand() % 2 ? i : ci);
}
- a reference to const or a reference to non-const? You cannot tell, as
it depends on runtime conditions. Since this is about terminology for
static types, your distinction is meaningless.
Does 2/3 equal 3/2 because 2 * 3 equals 3 * 2 ? No, because using
multiplication to demonstrate a point about division is just as
effective as using pointers to prove a point about references.
Just as a point about arithmetics cannot be used to prove a point about
indirection.
--
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