package:async - Delegating Streams and Sinks about async HOT 3 CLOSED

<img src="https://avatars.githubusercontent.com/u/4865287?v=3" align="left" width="48" height="48"hspace="10"> Comment by lrhn

Added Area-Pkg, Pkg-Async, Triaged labels.

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<img src="https://avatars.githubusercontent.com/u/444270?v=3" align="left" width="48" height="48"hspace="10"> Comment by seaneagan

Actually, Stream is easy enough, you just have to delegate in [Stream.listen].

As far as the Sinks go, my actual use case turns out to be to extend Stdin and IOSink. I'm creating a library to allow mocking out io stuff, including stdin, stdout, stderr. I can't extend IOSink or Stdin since they only have factory constructors which delegate to private concrete subclasses. This means I have to copy the implementations of _IOSinkImpl, _StreamSinkImpl, and Stdin.readLineSync, into my library. So my actual request is to make these classes subclassable. I can create a separate bug if that would be better.

from async.

This was fixed in 8d5716a.

from async.