The argument 'google says so' is addressed by the author in part [1]: Overall their argument for avoiding unsigned integers and sample code seems surprisingly w

The argument 'google says so' is addressed by the author in part [1]: Overall their argument for avoiding unsigned integers and sample code seems surprisingly weak for a company of the caliber of Google. The most important reason to use unsigned instead of signed is not self-documentation, it is to avoid undefined behaviour. [1] http://blog.robertelder.org/signed-or-unsigned/ http://blog.robertelder.org/signed-or-unsigned/