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Add many new functions for channels, some of which are inspired by "Concurrency in Go" book.
First
to select first available message from a list of channels.Flatten
(calledBridge
in the book) to turn channels of channels in a regular channel.Merge
to combine multiple channels together.BufferSize
,IsOpen
,IsClosed
Close
,Push
,Pop
I also found a corner-case for cancellation that is present in most of the functions there. I added a comment for that. I'll address it in a follow-up PR.