This is one of those annoying little problems that is easily picked up by the vet command (https://pkg.go.dev/cmd/vet) when writing Go code. There are, of course, many linters that do the same thing in C, but it's nice to have an authoritative one built in as part of the official Go toolchain, so everyone's code undergoes the same basic checks.
Sick of being poor? Hate the daily grind? Want to be your own boss? Well, you need to start thinking like a winner and check out these awesome side-hustles: looting and loan-sharking!
"Pleasure is never as pleasant as we expected it to be and pain is always more painful. The pain in the world always outweighs the pleasure. If you don't believe it, compare the respective feelings of two animals, one of which is eating the other." —Arthur Schopenhauer