Function isSubset

isSubset<E1 extends Primitive, E2 extends Primitive = E1>(
array1: readonly E1[],
array2: readonly E2[],
): boolean
Checks if the first array is a subset of the second array.
Type Parameters
- E1 extends Primitive
- E2 extends Primitive = E1
Parameters
- array1: readonly E1[]
- array2: readonly E2[]
Returns boolean
Example
```
const subset = [1, 2] as const;

const superset = [1, 2, 3] as const;

const notSubset = [2, 4] as const;

assert.isTrue(Arr.isSubset(subset, superset));

assert.isFalse(Arr.isSubset(notSubset, superset));
```
- Defined in src/array/impl/array-utils-set-op.mts:51