Home/ Questions/Q 5978785
In Process

The Archive Base Latest Questions

Editorial Team
  • 0
Asked: 2026-05-22T21:34:00+00:00

I wonder if the standard library is completely null -free and – if not

  • 0

I wonder if the standard library is completely null-free and – if not – would be interested what reasonable use-cases exist where returning null is preferable to returning some Option instance.

Share

Leave an answer

You must login to add an answer.

Need An Account,

1 Answer

  1. Editorial Team

    NamespaceBinding returns null for the local namespace or in the following case an undefined input.

    $ scala
Welcome to Scala version 2.9.0.1 (Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_24).
Type in expressions to have them evaluated.
Type :help for more information.

scala> (<foo/>).scope.getURI("something")
res0: String = null

    Why it’s using String instead of Option[URI], I don’t know.

    • 0