In Python nose can do that for you: http://nose.readthedocs.io/en/latest/ http://nose.readthedocs.io/en/latest/ In D there is even a keyword for that. It allow

In Python nose can do that for you: http://nose.readthedocs.io/en/latest/ http://nose.readthedocs.io/en/latest/ In D there is even a keyword for that. It allows to embed the tests into the documentation as examples. This has the nice side effect that your examples are actually tested. https://dlang.org/spec/unittest.html https://dlang.org/spec/unittest.html