found this: <https://gist.github.com/elizarov/69ff...

# coroutines

[Nikky]

found this: https://gist.github.com/elizarov/69ff0cf47d9ffe013bc6c1aeaf5af552

[kevinherron]

I threw this together a couple months ago: https://gist.github.com/kevinherron/5a895911a45eb5752ff247a205d618b7 (@dave08 too)