findIndex

Signature - source.ts#L1791

function findIndex<T>(
    predicate: (value: T, index: number) => unknown,
): Operator<T, number>1 function findIndex<T>(
2     predicate: (value: T, index: number) => unknown,
3 ): Operator<T, number>

1	function findIndex<T>(
2	predicate: (value: T, index: number) => unknown,
3	): Operator<T, number>