mergeWithConcurrent
Signature - source.ts#L2209
function mergeWithConcurrent<T>(
max: number,
sources: Source<T>[],
): <U>(source: Source<U>) => Source<T | U>
function mergeWithConcurrent<T>(
max: number,
sources: Source<T>[],
): <U>(source: Source<U>) => Source<T | U>