I want to create my own Tuple type

[Paul Backus]

On Monday, 11 January 2021 at 18:02:19 UTC, Ola Fosheim Grøstad 
wrote:
> On Monday, 11 January 2021 at 17:48:13 UTC, Paul Backus wrote:
>> 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.
>
> Tuples are usually immutable, it brings more correctness.

I agree that immutability has benefits, but I don't see why 
tuples should be singled out for special treatment in this 
regard. Why is immutability more important for tuples than for 
any other kind of data?