String interpolation

[ZK]

On Thursday, 21 May 2020 at 18:12:01 UTC, ZK wrote:
> I love the extensibility of this, but perhaps there should be 
> something like `ii"foo".idup` that's syntactic sugar for 
> `i"foo".idup`. New users might get confused by the need for 
> appending idup, and then they'll think about how other 
> languages don't necessitate this perceived superfluity when 
> using their interpolated string.
Whoops! I meant to say `ii"foo"`, not `ii"foo".idup`.