From Get Programming with Go (formerly titled Learn Go)

Take 40% off the entire book. Just enter anyoungman. into the discount code box at checkout at manning.com.

 

Get Programming with Go introduces you to the powerful Go language without confusing jargon or high-level theory. By working through 32 quick-fire lessons, you’ll quickly pick up the basics of the innovative Go programming language!

 

Integers wrap around because the last 1 that was carried has nowhere to go