Issue type:

• ➕ Feature request

Short description:

Add an operator that will select only the elements common to the two lists. That is, the Intersection of lists A and B.
Or if it will be too difficult to implement then the operator who simply tells whether there is at least one mpilny element in both lists.

Thanks for the suggestion!

This has been completed (cc: @rubensworks)

I've proposed an implementation of this at #1224.