> On May 16, 2017, at 11:23 AM, Vincent St-Amour 
> <stamo...@eecs.northwestern.edu> wrote:
> John, Austin,
> You can use loggers for this. The `data` argument to `log-message`
> allows payloads to be carried along with log messages. Just have the
> user program log messages with a particular topic, and have the tool
> listen on that topic.
> That's how the optimization coach (which is a DrRacket tool) gets info
> from the the user program.

Nice! Definitely would have taken us a long long time to think of something 
like that. Robby’s solution seems like the “right” solution, but this one 
sounds much easier to get right. Hmm….


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