DIP71: 'noscope' and 'out!param' attributes

[Zach the Mystic via Digitalmars-d]

On Sunday, 18 January 2015 at 18:17:17 UTC, Meta wrote:
> If your function is marked as pure, then escape by global is 
> impossible.

Yes, I know. Only impure functions could possibly require 
'noscope'. But you might access global state without writing to 
it, or without copying the parameter reference. It's annoying to 
realize how close the existing system is to dealing with this 
issue.