That's the previous design based on contracts. https://github.com/wenkokke/featherweight-go-gen https://github.com/wenkokke/featherweight-go-gen This one seem

That's the previous design based on contracts. https://github.com/wenkokke/featherweight-go-gen https://github.com/wenkokke/featherweight-go-gen This one seems to be the new FGG one.