I'm a little confused - when you say "should write value to pipe or block until it can"[1] - I don't see how this will block, it looks like it will just return

I'm a little confused - when you say "should write value to pipe or block until it can"[1] - I don't see how this will block, it looks like it will just return if the pipe is full. I confess to be only a little bit familiar with GCD! [1] https://github.com/billylindeman/swiftgo/blob/master/swiftgo/go.swift#L55 https://github.com/billylindeman/swiftgo/blob/master/swiftgo...