String Interpolation

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On Wednesday, 25 October 2023 at 19:09:30 UTC, Adam D Ruppe wrote:
> And newer additions to languages try to do it right:
>
> https://openjdk.org/jeps/430

That's cool, although in typical Java style, the feature's power 
is hamstrung:

```
Template processors execute at run time, not at compile time, so 
they cannot perform compile-time processing on templates. Neither 
can they obtain the exact characters which appear in a template 
in source code; only the values of the embedded expressions are 
available, not the embedded expressions themselves.

```

D has the opportunity to be on the very cutting edge here.