concatWith

Signature - source.ts#L2238

function concatWith<T>(
    sources: Source<T>[],
): <U>(source: Source<U>) => Source<T | U>1 function concatWith<T>(
2     sources: Source<T>[],
3 ): <U>(source: Source<U>) => Source<T | U>

1	function concatWith<T>(
2	sources: Source<T>[],
3	): <U>(source: Source<U>) => Source<T \| U>