This looks similar to an older generics system for Go, `got` (GO Templates). Got was pretty cool, but Go 1.0 broke it due to the parser getting stricter. Edit

This looks similar to an older generics system for Go, `got` (GO Templates). Got was pretty cool, but Go 1.0 broke it due to the parser getting stricter. Edit: found it: https://github.com/droundy/gotgo https://github.com/droundy/gotgo