DIP 36: Rvalue References

Zach the Mystic reachzach at gggggmail.com
Wed Apr 10 02:26:37 PDT 2013


On Wednesday, 10 April 2013 at 07:46:41 UTC, Dicebot wrote:
> On Wednesday, 10 April 2013 at 01:40:49 UTC, Zach the Mystic 
> wrote:
>> I think for convenience the function must only be considered 
>> unsafe if it does the above. Even returning the 'ref' is @safe 
>> so long as the *caller* keeps track of what it passes in, 
>> according to DIP25.
>
> Safety of "ref" is not problem that this DIP tries to solve. It 
> should be solved with DIP25. Now ref is not safe (despite the 
> fact it pretends to) and it still won't be after DIP36 
> approval, not until issue is addressed in DIP25.
>
> No need to mix it.

My proposed DIP35 uses 'scope' to enhance DIP25. I don't believe 
DIP25 is really complete. 'scope' would help it a lot, but that 
would give more meanings to 'scope' which are potentially in 
conflict with it just meaning rvalue temp.


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