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

[jmh530]

On Saturday, 20 June 2020 at 10:43:41 UTC, Paul Backus wrote:
> [snip]
>
> Also, switch from `void popFront()` to `typeof(this) rest`, so 
> that we can have `const` and `immutable` ranges.

Would typeof(this) work where popFront is currently a 
free-standing function, like with built-in dynamic arrays?