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I’m using IntelliJ IDEA with the Scala plugin. If I reference HashMap in code, and then use Alt-Enter to add the import, the package gets imported as:
_root_.scala.collection.immutable.HashMap What’s the root part of this? It seems to work with and without it.
It has to do scala imports being relative –
_root_gives you a way to specify an absolute package name. See the Scala Wiki