I played around with this on my own, and the shared library system will only work with Linux binaries for now. I wasn't able to get it working with OS X or Wind

I played around with this on my own, and the shared library system will only work with Linux binaries for now. I wasn't able to get it working with OS X or Windows, with the very clear message from Go telling me the "platform target is not supported." I think it is mostly a getting started point, and not generally useful unless your only target is Linux (which very likely may be the case unless you're working on desktop apps).