GContracts - Design by Contract for Groovy http://gcontracts.org If you want to fork, or send pull requests, check out http://help.github.com/. If you experience any issues, feel free to post a ticket at https://github.com/andresteingress/gcontracts/issues For further information on GContracts visit http://wiki.github.com/andresteingress/gcontracts/ or http://blog.andresteingress.com