Go pipelines

As mentioned in this talk the main concurrency features Go provides are goroutines and channels. While these constructs might seem pretty simple they are immensely powerful and one can use them to build advanced systems. One such system is a pipeline as described in this blog post. What I think is really awesome about the system described is that downstream functions can signal to the upstream functions to stop producing values, while still keeping the code easy to understand and not horrendous.

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