Difference returns a new set which contains items which are in the first set but not in the others.

Intersection returns a new set which contains items that only exist in all given sets.

New creates and initializes a new Set.

NewWithSize creates a new Set and gives make map a size hint.

SymmetricDifference returns a new set which s is the difference of items which are in one of either, but not in both.

Union is the merger of multiple sets.