[logistark]

I think is pretty cool, yes. But fix error messages please.

[zonotope]

Error messages have been greatly improved in Clojure version 1.10[1][2]

[edit] more context

1: https://github.com/clojure/clojure/blob/master/changes.md#21...

2: https://mobile.twitter.com/puredanger/status/102810365424144...