MapSet.disjoint-question-mark

You're seeing just the function disjoint-question-mark, go back to MapSet module for more information.

disjoint?(map_set1, map_set2)

disjoint?(t(), t()) :: boolean()

Checks if map_set1 and map_set2 have no members in common.

iex> MapSet.disjoint?(MapSet.new([1, 2]), MapSet.new([3, 4]))
true
iex> MapSet.disjoint?(MapSet.new([1, 2]), MapSet.new([2, 3]))
false