DIP 1027---String Interpolation---Community Review Round 1

[Atila Neves]

On Thursday, 12 December 2019 at 17:01:01 UTC, Adam D. Ruppe 
wrote:
> On Thursday, 12 December 2019 at 15:41:54 UTC, aliak wrote:
>> [...]
>
> The javascript version is allowed to return whatever it wants. 
> The default one returns string but you can do other things with 
> it too like return objects or functions or whatever.
>
> [...]

It'd be great if you could expand on this with a list of examples 
of what D could do.