Type Alias TypePredicate<In, Narrowed>

TypePredicate: (element: In, index: number) => element is Narrowed

A type predicate Iteratee. When filtering, narrows the element type.

Type Parameters

In
The input element type.
Narrowed extends In
The narrowed element type.

Type declaration

- (element: In, index: number): element is Narrowed
- Parameters
  - element: In
  - index: number
  Returns element is Narrowed