Function filter

filter<T>(iterable, p): Iterable<T>
The equivalent of Array.prototype.filter for iterators.
Type Parameters
- T
Parameters
- iterable: Iterable<T, any, any>
  The iterator to filter.
- p: ((x: T, index?: number) => boolean)
  The filter predicate.
  - - (x, index?): boolean
    - Parameters
      x: T
      Optionalindex: number
      Returns boolean
Returns Iterable<T>