DIP69 - Implement scope for escape proof references

[bearophile via Digitalmars-d]

Walter Bright:

> Safety by default is outside of the sco[pe (!) of this 
> discussion. Also, you can merely put:
>
>     @safe:
>
> at the beginning of a module and it is now all safe.

If that topic is outside the scope of this discussion, then I 
have opened an ER on it:
https://issues.dlang.org/show_bug.cgi?id=13838

Bye,
bearophile