Function utilArrayUnion

utilArrayUnion<T>(a: Iterable<T>, b: T[] | Set<T>): T[]
(a ∪ b) Create a set that contains the elements of both set a and set b
Type Parameters
- T
Parameters
- a: Iterable<T>
- b: T[] | Set<T>
Returns T[]
result of a ∩ b
Remarks
This operation is known as union
Example
```
let a = [1,2,3];
let b = [4,3,2];
utilArrayUnion(a, b)  // returns: [1,2,3,4]
```
- Defined in array.ts:62