One for experts in std.parallelism

[Andrei Alexandrescu via Digitalmars-d]

On 06/12/2017 01:43 PM, Stanislav Blinov wrote:
> 
> I'll put the PR for (1) up for discussion a bit later. (2) and (3) I'll 
> need to dig into runtime somewhat first.

Thanks! -- Andrei