Method builtin_coro

crates/vm/src/frame.rs:6796–6802

(&self, coro: &'a PyObject)

    }

    fn builtin_coro<'a>(&self, coro: &'a PyObject) -> Option<&'a Coro> {
        match_class!(match coro {
            ref g @ PyGenerator => Some(g.as_coro()),
            ref c @ PyCoroutine => Some(c.as_coro()),
            _ => None,
        })
    }

    fn _send(
        &self,