Divide & Conquer divides, but doesn't conquer

[Max Samukha]

On Monday, 25 May 2020 at 06:18:13 UTC, FeepingCreature wrote:

> static foreach and stringof were used so I didn't have to pull 
> in `format` or `to!string`, which had issues in std.meta.
>
> I'm seeing some improvement over 2.086 at least; it should be 
> about equivalent to the hand-unrolled version in master.

How could you miss the state-of-the-art?) Preallocate the result 
string and use the string counter hack!
http://dpldocs.info/this-week-in-d/Blog.Posted_2020_05_11.html#dmd-and-static-foreach