optional 1.0.0 beta with "or/frontOr/Throw" range utilities

[aliak]

On Tuesday, 30 July 2019 at 12:58:08 UTC, Jesse Phillips wrote:
> On Monday, 29 July 2019 at 22:17:20 UTC, aliak wrote:
>> * NotNull has been removed
>
> Why was it removed. It seems like this would be nice to have 
> for class and pointers.

I personally didn't find use for it, too much friction to use. I 
have not gotten the impression that it's useful form others 
either? If people were using it I'll gladly put it back in as a 
subpackage or something (or just make another package).