1.141.1 ReadWriteStream class: instance creation

on: aCollection

Answer a new stream working on aCollection from its start. The stream starts at the front of aCollection.

on: aCollection from: firstIndex to: lastIndex

Answer an instance of the receiver streaming from the firstIndex-th item of aCollection to the lastIndex-th

with: aCollection

Answer a new instance of the receiver which streams from the end of aCollection.