blob: 8210518d9556aacf9c1bbbd112910d62f4812aea (
plain) (
tree)
|
|
object Test extends App {
val resFMap1 = (1 to 10000).toStream filter (_ => false) flatMap (Seq(_))
val resMap1 = (1 to 10000).toStream filter (_ => false) map (_ + 1)
assert(resMap1.isEmpty)
assert(resFMap1.isEmpty)
//This risks causing a stack overflow
val resFMap2 = (1 to 10000).toStream withFilter (_ => false) flatMap (Seq(_))
val resMap2 = (1 to 10000).toStream withFilter (_ => false) map (_ + 1)
assert(resMap1 == resMap2)
assert(resFMap1 == resFMap2)
}
|