steveklabnik/rust_for_rubyists — pull request #5 by aaroncm (2013-09-28 00:45:02+00:00)
Title: remove first instance of from_child.send(0) in ch6

The first listing of the DuplexStream example in ch6 has `from_child.send(0)`, but it then disappears in the next listing of main(). Should probably not appear until the reason for it is explained.