3 Tricks with Call-by-Name in Scala | Rock the JVM

Written form to keep for later: https://blog.rockthejvm.com/3-tricks-...

This video is for Scala programmers of all levels

In this video I'll talk about the Call-by-Name argument passing mechanism in Scala and why on Earth it might be useful. I'll then give my favorite 3 uses of call-by-name: reevaluation, infinite collections with a pattern called Call-by-Need, and evaluation delay combined with Scala's curly brace syntax. With CBN, you'll be able to design APIs that, when used, will seem like they are part of the language itself.

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