scala.collection.breakOut vs views

Question

This SO answer describes how scala.collection.breakOut can be used to prevent creating wasteful intermediate collections. For example, here we create an intermediat

Answer 1

As of Scala 2.13, this is no longer a concern. Breakout has been removed and views are the recommended replacement.

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Scala 2.13 Collections Rework

Views are also the recommended replacement for collection.breakOut. For example,

val s: Seq[Int] = ... 
val set: Set[String] = s.map(_.toString)(collection.breakOut)

can be expressed with the same performance characteristics as:

val s: Seq[Int] = ... 
val set = s.view.map(_.toString).to(Set)