This is strange, I don't know when it changed, but this project used to be compatible with Erlang directly...[0] Used to support the OTP. I guess their needs changed? You literally could write Go code that would talk to Erlang itself, I'm not sure why this has changed or where that functionality has gone but the page aside from a repository tag no longer mentions OTP. I was looking at this project for that very goal a month or two back.
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