std.v2020.algorithm etc[ WAS: Is run.d going to be expand for runtime and the phobos library?]

[jmh530]

On Monday, 22 June 2020 at 14:33:53 UTC, Steven Schveighoffer 
wrote:
> [snip]
>
> FeepingCreature is right, we should try and create a head 
> mutable mechanism. I have envisioned it in the past as a 
> tail-modifier mechanism (e.g. tail-const).
>
> -Steve

I just read a thread from 2010 on tail const/head mutable. Kind 
of amazing that it is a difficult enough problem that it still 
hasn't been resolved.