⚠️ Beware of Scams: since Feb 2024, scammers are using fake Scala websites to sell courses, please check you are using an official source. In a previous blog post, I explained how Scala 2.13’s new collections have been designed so that the default implementations of transformation operations work with both strict and non-strict types of collections. In essence, we abstract over the evaluation mode
![On Performance of the New Collections](https://cdn-ak-scissors.b.st-hatena.com/image/square/2a8587d2b50fab0c1481c7a3c0bf038c0d8d9392/height=288;version=1;width=512/https%3A%2F%2Fwww.scala-lang.org%2Fresources%2Fimg%2Fscala-spiral-3d-2-toned-down.png)