GSoC 2016 - Precise GC

[jmh530 via Digitalmars-d-announce]

On Wednesday, 4 May 2016 at 02:50:08 UTC, Jeremy DeHaan wrote:
>
> I'm not sure, but one would thing that @safe code wouldn't need 
> any extra information about the union. I wouldn't know how to 
> differentiate between them though during runtime. Probably 
> someone with more experience with the compiler would know more 
> about that kind of thing.

You can identify safe functions with
https://dlang.org/phobos/std_traits.html#isSafe
or
https://dlang.org/phobos/std_traits.html#functionAttributes