DevOps Articles

7 Uses of Underscore in Scala

by In this article I'll share almost all the places where you might see an underscore, so that you don't freak out when you see yet another one in a different context. You can also read this article over at the Rock the JVM blog or watch the video version of it on YouTube or embedded below: Other than that, I want to get straight to the point.

However, the case when the compiler throws a value at use, but we don't use it, so we use an underscore.

One of them is importing everything in a package: But by far the most frequent use case is in pattern matching, where the underscore means "match everything".