clarify a comment w.r.t. empty slice

[hudem1]

Hi !

I'm reading through gobyexample these days as I'm learning Go, and I came across 2 things:

• i think there were forgotten go keywords for calling routines.
• i wanted to suggest a slight text adjustment, which I had a bit of hard understanding at first. I think when creating a slice like s = make([]string, 3), the slice is not empty, it contains 3 elements, the only thing is those elements are zero-valued but still the slice is not empty. I just thought it was a bit confusing when I read that, I had to read several times and then test it to really make sure I understood. So, here is a very little adjustment.

Let me know what you think! :)

[eliben]

Thanks for the adjustment.

Would you mind running tools/build in the root directory and adding the generated file to the PR? This will enable me to just merge it directly without fixups

(https://github.com/mmcgrana/gobyexample/blob/master/CONTRIBUTING.md)

[hudem1]

Thanks for the adjustment.

Would you mind running tools/build in the root directory and adding the generated file to the PR? This will enable me to just merge it directly without fixups

(https://github.com/mmcgrana/gobyexample/blob/master/CONTRIBUTING.md)

Oops, sorry forgot to do that! Just done :)