Function contains

contains<TElement>(
    source: Iterable<TElement>,
    element: TElement,
    comparator?: EqualityComparator<TElement, TElement>,
): boolean
Determines whether the sequence contains a specific element using an optional comparator.
Type Parameters
- TElement
  Type of elements within the source iterable.
Parameters
- source: Iterable<TElement>
  The source iterable.
- element: TElement
  Element to locate in the sequence.
- Optionalcomparator: EqualityComparator<TElement, TElement>
  Optional equality comparator used to match elements. Defaults to the library's standard equality comparison.
Returns boolean
true when the element is found; otherwise, false.
Example
```
const numbers = [1, 2, 3, 4, 5];
const hasThree = contains(numbers, 3);
console.log(hasThree); // true

const hasTen = contains(numbers, 10);
console.log(hasTen); // false
```
- Defined in src/enumerator/functions/contains.ts:21