Need for (C++20) Contiguous Range

[Simen Kjærås]

On Friday, 9 October 2020 at 13:31:18 UTC, Steven Schveighoffer 
wrote:
> We are talking about a range that is also contiguous in memory. 
> The only logical reason to require this is to get a ptr and a 
> length and use the CPU specialized instructions for these 
> things. We have that type pattern, it's a slice.

There are ranges with contiguous memory that aren't slices - 
stride and occasionally map over a contiguous range comes to 
mind. Converting these to slices may not be possible, and 
certainly not efficient.

--
   Simen