Deprecating this(this)

[Andrei Alexandrescu]

On 4/2/18 4:04 AM, Shachar Shemesh wrote:
> On 02/04/18 10:45, Jonathan M Davis wrote:
>> Honestly, I think at this point pure is easier to understand if you 
>> think of
>> it as @noglobal and don't think about functional purity at all.
> 
> That's fine. My point was that the only optimizations possible are 
> possible on strictly pure functions (the immutable cast one included). 
> Weakly pure functions add nothing.
> 
> But merely having them around means that when I annotate a function with 
> "pure", I do not promise any guarantees that the compiler can actually 
> use to perform optimizations.
> 
> Shachar

This is a good article motivating the relaxed purity model we have: 
http://klickverbot.at/blog/2012/05/purity-in-d/