Method Intersection

model/fingerprinting.go:82–105

Intersection returns the elements contained in both sets.

(o FingerprintSet)

// Intersection returns the elements contained in both sets.
func (s FingerprintSet) Intersection(o FingerprintSet) FingerprintSet {
	myLength, otherLength := len(s), len(o)
	if myLength == 0 || otherLength == 0 {
		return FingerprintSet{}
	}

	subSet := s
	superSet := o

	if otherLength < myLength {
		subSet = o
		superSet = s
	}

	out := FingerprintSet{}

	for k := range subSet {
		if _, ok := superSet[k]; ok {
			out[k] = struct{}{}
		}
	}

	return out
}