Weak Purity Blog Post

[Nordlöw via Digitalmars-d-announce]

On Monday, 28 March 2016 at 01:44:02 UTC, sarn wrote:
> I wrote a post about some of the practical benefits of this 
> kind of purity:
>
> https://theartofmachinery.com/2016/03/28/dirtying_pure_functions_can_be_useful.html

Great. It would be nice if you added a section that discusses 
purity in collaboration with allocators.

See discussions:

http://forum.dlang.org/post/yvwtjybwphxovrxavdiw@forum.dlang.org
http://forum.dlang.org/post/ejaarbdzcqgqhkxladoz@forum.dlang.org

and

https://github.com/D-Programming-Language/druntime/pull/1183#issuecomment-202444315