My Reference Safety System (DIP???)

[deadalnix via Digitalmars-d]

On Monday, 2 March 2015 at 22:21:11 UTC, Zach the Mystic wrote:
> On Monday, 2 March 2015 at 22:00:56 UTC, deadalnix wrote:
>> You don't put the ownership acquire at the same place, but 
>> that is the same idea. It is probably even better to do it 
>> your way (or is it ?).
>
> Yes. Unless the compiler detects that you duplicate a variable 
> in two parameters in the same call, you literally have *no* 
> added cycles, anywhere:
>
> fun(c, c.c);
>
> This is the only time you pay any penalty (except for passing 
> globals, as we now realize, since all globals can alias 
> themselves as parameters -- nasty).

Global simply are parameter implicitly passed to all function 
from a theoretical perspective. There are no reason to thread 
them differently.