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5 things you need to know about Scala compilation

We all love Scala, but the one aspect we have a hard time accepting are long compile times. It’s not uncommon for a project to experience compilation times of a handful of minutes, if not worse. On top of that, compilation times are unpredictable, depending on a combination of language features, external libraries, and type annotations. A single line change may increase compilation times ten fold.

Don’t bow to the compiler and accept long compilation times. Rather, understand how the compiler works and optimize your usage of Scala to compile faster!