Metabase's toucan (https://github.com/metabase/toucan https://github.com/metabase/toucan) has some elegantly annotated source code: https://rawgit.com/metabase/

Metabase's toucan (https://github.com/metabase/toucan https://github.com/metabase/toucan) has some elegantly annotated source code: https://rawgit.com/metabase/toucan/master/docs/uberdoc.html https://rawgit.com/metabase/toucan/master/docs/uberdoc.html