Why does the Scala library only defines tuples up to Tuple22?

Question

I\'m curious if anyone knows why the Scala library stops at 22 with its tuple type Tuple22?
Does the mysterious number 22 have a s

Answer 1

I believe it has to do with difficulties in implementing a static type system while having variadic (arbitrary-argument) functions. I believe apply can be written in Scala (though not in Haskell, at least not elegantly).