Merges multiple streams in to 1 ReadableStream.
Warning: this may create a bottleneck as the highwater mark can easily be breached. This is because every pull will attempt to read and queue at least one chunk from each incoming stream.
Optional
roundRobin:function
merge([--1----2----3-------4-|---one---two---three---four-|])-1-one-2-two-3-three-4-four-| Copy
merge([--1----2----3-------4-|---one---two---three---four-|])-1-one-2-two-3-three-4-four-|
Merges multiple streams in to 1 ReadableStream.
Warning: this may create a bottleneck as the highwater mark can easily be breached. This is because every pull will attempt to read and queue at least one chunk from each incoming stream.