Divide & Conquer divides, but doesn't conquer

Mon May 25 16:57:48 UTC 2020

On Monday, 25 May 2020 at 16:46:16 UTC, Timon Gehr wrote:
> On 25.05.20 18:04, Andrei Alexandrescu wrote:
>> [...]
>
> QoI. The original `static foreach` implementation in my 
> compiler frontend runs in linear time, even though it is 
> implemented in a very similar way. Note that even 
> `iota(n).array` has superlinear running time with DMD's CTFE.
>
> [...]

What do you do about the scopes?