Function count

  • count<In>(
        iterable: Iterable<In>,
        cb: (item: In, index: number) => boolean,
    ): number

    Counts how many elements in the iterable match the predicate.

    Type Parameters

    • In

    Parameters

    • iterable: Iterable<In>
    • cb: (item: In, index: number) => boolean

    Returns number

    how many elements in the iterable match the predicate.

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