Comma expression as tuple operator [was Tuples, C#, Java, language design]

[bearophile]

BCS:
> A though on the comma operator: if the comma operator were defined to give 
> a tuple type and be implicitly castable to any suffix of it's self, then 
> you could get both the comma expression usage that Walter wants as well as 
> all the fun things that tuple expressions give.

D2 has enough warts now, so it's much better to not add some more. Languages must be tidy, when possible. It's often better to not have a feature that having a dirty one.

Bye,
bearophile