An exegesis of Walter's reference counted slice

[ketmar via Digitalmars-d]

On Tue, 24 Feb 2015 11:40:34 -0800, Andrei Alexandrescu wrote:

> 3. opIndex ("here's the magic") is the most interesting part of the
> proposal. It disallows unsafe use such as:
> 
> @safe ref int fun()
> {
>     auto a = RCArray!int([1, 2, 3]);
>     return a[1];
> }

this is the important part for those who are too lazy to read DIP25 (like 
me). thank you.
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