Go：将SASS和SLIM文件预编译为Go HTML格式

I'd like to use SASS and SLIM for my Go project. I'd like the html files to be rendered server side.

I know there is https://github.com/shaoshing/train, but it seems like rendering occurs on the client side, which is not what I want.

There is also https://github.com/yosssi/ace, which is a native implementation of SLIM in Go. However, there is no SASS implementation.

Does anyone have any idea on how to do this?