intersection

Obtain values present in both iterables.

Similar: union, intersection, difference, symmetricDifference.

function intersection(x, y, fc, fm)
// x:  an iterable
// y:  another iterable
// fc: compare function (a, b)
// fm: map function (v, i, x)

References

• Data.Set.intersection: Haskell
• Set.intersection: Python