An optional/maybe type with range semantics

[Andrei Alexandrescu]

On 2/25/18 8:03 PM, aliak wrote:
> Alo,
> 
> Just finished up a first take on an optional type for D. It's 
> essentially a mix of Nullable and std.range.only, but with a lot more 
> bells and whistles. I would love to hear any feedback on code, or 
> features, or bad design or potential for better designs from anyone 
> who's interested :)
> 
> Code: https://github.com/aliak00/optional
> Dub: https://code.dlang.org/packages/optional
> Docs: https://aliak00.github.io/optional/

Did you take a look at https://dlang.org/library/std/range/only.html? -- 
Andrei