> So, the question is: why ‘i’ isn’t treated as unsigned, since it is a range > index - won't it always be positive?
The author of the PR was most likely working on Go's tip (what will become 1.13), where the requirement that the right operator in a shift is an unsigned integer has been lifted. compare the third paragraph between these versions: https://tip.golang.org/ref/spec#Operators https://golang.org/ref/spec#Operators -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.