A Refcounted Array Type

[Walter Bright via Digitalmars-d]

On 2/23/2015 5:41 PM, weaselcat wrote:
> On Monday, 23 February 2015 at 22:15:54 UTC, Walter Bright wrote:
>>     ref E opIndex(size_t i) return // here's the magic
>
> exactly what is this doing? I don't see this explained in DIP25 at all.

The 'this' is passed by reference. So the 'return' is really 'return ref this', 
the rest is explained by DIP25.