Core concept
// Scala 2
val xs: List[T] forSome { type T } = ???
// Scala 3
val xs: List[?] = ???Advertisement
How it works
Scala 3 simpler.
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Trade-offs + gotchas
Rare in application code.
// Scala 2
val xs: List[T] forSome { type T } = ???
// Scala 3
val xs: List[?] = ???Scala 3 simpler.
Rare in application code.