Clearly we're adding a new kind of primitive to the language and VM. I don't see how whether the Java language's tuples are nominal or structural (there are pro

Clearly we're adding a new kind of primitive to the language and VM. I don't see how whether the Java language's tuples are nominal or structural (there are pros and cons to either approach, but Java added nominal tuples just as it did with its lambdas) has any relation to performance or complexity at all.