RCArray is unsafe

[deadalnix via Digitalmars-d]

On Tuesday, 3 March 2015 at 00:08:10 UTC, Walter Bright wrote:
> On 3/2/2015 3:47 PM, weaselcat wrote:
>> That's actually very old(0.6 - nearly 2 years ago.) I believe 
>> rooting was
>> dropped from the language completely.
>>
>> http://doc.rust-lang.org/book/ownership.html
>>
>> also, rust by example chapter 17-19 cover this
>> http://rustbyexample.com/move.html
>
> Thanks for the info. But I don't see how Marc's example is 
> prevented by this.

After moving resources, the previous owner can no longer be used.

That means you cannot borrow twice, which mean you can't get 
yourself into the mentioned situation.