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

[Petar]

On Saturday, 20 June 2020 at 09:49:38 UTC, Stanislav Blinov wrote:
> On Saturday, 20 June 2020 at 04:34:42 UTC, H. S. Teoh wrote:
>> On Fri, Jun 19, 2020 at 09:14:30PM -0400, Andrei Alexandrescu 
>> via Digitalmars-d wrote: [...]
>>> One good goal for std.v2020 would be to forego autodecoding 
>>> throughout.
>> [...]
>>
>> Another could be to fix up the range API -- i.e, reconsider 
>> the ugliness that is .save, now that D has copy ctors.
>
> How do you see that? Fundamentally, what have copy ctors 
> changed in this regard?

I suppose that postblit has had various implementation and 
language design issues (which copy constructors address), which 
prevented them from being a reliable alternative to save(). This 
and probably also class support.