Pony – High Performance Actor Programming
"The language doesn't even have the concept of null!" <-> is_null [1]<p>[1]: <a href="https://github.com/CausalityLtd/ponyc/search?utf8=%E2%9C%93&q=is_null" rel="nofollow">https://github.com/CausalityLtd/ponyc/search?utf8=%E2%9C%93&...</a><p>Also, your 3-clause BSD license only has two clauses.