Function union

union<T, U>(a: ReadonlySet<T>, b: ReadonlySet<U>): Set<T | U>
Returns the union of two sets. That is, the unique elements of A and B.
Type Parameters
- T
- U
Parameters
- a: ReadonlySet<T>
- b: ReadonlySet<U>
Returns Set<T | U>
Returns a new Set A ∪ B
- Defined in util/set/set.ts:12