At one point there was an open source project to formally specify Ruby, but I don’t know if it’s still alive: https://github.com/ruby/spec https://github.com/ru

At one point there was an open source project to formally specify Ruby, but I don’t know if it’s still alive: https://github.com/ruby/spec https://github.com/ruby/spec Hmm, it seems to be alive, but based more on behavior than syntax.