I’d like to define some types or functions in `a.b...

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[Jason5lee]

I’d like to define some types or functions in a.b.c.d and in another place I can import a.b.c.d and reference them as `d.TypeName`/`d.function`. Is there a better way other than defining the inner d as an object and put everything inside, which I’m not sure whether it is a good practice.

[Stephan Schroeder]

sounds like "named imports"/"import alias" to me, see https://medium.com/@erickpranata/kotlin-import-alias-3f2831295902 At least it's the closest thing to what you ask for. Well, at least as long as d is a package. If d is a singleton/object, you'd retain your wish to write d.something()

object D {
  fun something(): Unit {}
}

// or put it in the companion object of a normal class
class D {
  companion object {
    fun something(): Unit {}
  }
}

In the future Kotlin will probably get namespaces, which will probably match what you ask for even more:

https://www.youtube.com/watch?v=0FF19HJDqMo&t=656s▾