Function isArrayOfLength

isArrayOfLength<E, N extends ArgArr>(
array: readonly E[],
len: N,
): array is MakeTupleImpl<E, `${N}`, []>
Checks if an array has a specific length.
Type Parameters
- E
- N extends ArgArr
Parameters
- array: readonly E[]
- len: N
Returns array is MakeTupleImpl<E, `${N}`, []>
Example
```
const pair: readonly number[] = [1, 2];

const triple: readonly number[] = [1, 2, 3];

assert.isTrue(Arr.isArrayOfLength(pair, 2));

assert.isFalse(Arr.isArrayOfLength(triple, 2));

if (Arr.isArrayOfLength(pair, 2)) {
  assert.deepStrictEqual(pair, [1, 2]);
}
```
- Defined in src/array/impl/array-utils-validation.mts:102