expandMap

Signature - source.ts#L2125

var expandMap: <T>(
    transform: (value: T, index: number) => Source<T>,
    maxConcurrent?: number | undefined,
) => Operator<T, T>1 var expandMap: <T>(
2     transform: (value: T, index: number) => Source<T>,
3     maxConcurrent?: number | undefined,
4 ) => Operator<T, T>

1	var expandMap: <T>(
2	transform: (value: T, index: number) => Source<T>,
3	maxConcurrent?: number \| undefined,
4	) => Operator<T, T>