Adding the ?. operator to D

[Aliak]

On Thursday, 17 September 2020 at 00:09:43 UTC, Paul Backus wrote:
> On Wednesday, 16 September 2020 at 19:01:28 UTC, Jacob Carlborg 
> wrote:
>>
>> I would like that. It should work for an Optional/Nullable 
>> type as well. It's a good idea to add an `??` operator at the 
>> same time as well:
>>
>> auto a = A ?? B;
>>
>> if `A` is not null, assign `A` to `a`. Otherwise assign `B` to 
>> `a`.
>
> Last time this was discussed, someone posted the following 
> library version:
>
> T orElse(T)(T value, lazy T alternative)
> {
>     return value ? value : alternative;
> }
>
> auto a = A.orElse(B);

Also in the same library previously mentioned: 
https://aliak00.github.io/optional/optional/or/or.html