I came here to say this.

Declare result in the first line of the function and return result is the last line. In C++, this is a big hint to the compiler that you want return value optimization to kick in.

separate switch for KM (a usb3 switch+hub) and for V.

[issue number] short summary

description of main changes, bullet list if there are lots.

description of minor changes.

motivation of this change, if unclear.

Superman III

This makes me cry.