[dmd-beta] rvalue references

[Max Samukha]

>
>
> Walter likes the idea that we first introduce the restriction in @safe
> code alone. I think we must eventually introduce it for all code, and my
> understanding is that Walter is also convinced of that.
>
>
>
> Andrei
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>

I think the language should allow taking addresses of references in unsafe
context. One valid and fairly frequent case is passing the address to C:

extern(C) external_foo(S* s);

void foo(ref S s)
{
     external_foo(&s);
}
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