DIP1027 - Easy String Interpolation implementation

[Adam D Ruppe]

On Tuesday, 24 October 2023 at 18:13:58 UTC, Walter Bright wrote:
> Please write a specification for it. There's not even a grammar 
> for it, and the pull request has no test cases.

Being able to see what the tuple is is much more educational than 
a lot of handwavy documentation. It removes all the mystery. A 
lot of people seem to assume that tuple generation is far more 
complicated than it is.