I want to create my own Tuple type

[Paul Backus]

On Monday, 11 January 2021 at 14:51:29 UTC, Ola Fosheim Grøstad 
wrote:
> Basically, the tuple itself should be immutable, but not the 
> objects being referenced. I guess I could run over the types 
> and add const if they are not references?

Why? I'd say that an `immutable(Tuple)` should be immutable, and 
a `Tuple` should be mutable, as is the case with literally every 
other type in D.