add docstring for printUsageAndExit

incu6us · Nov 21, 2024 · cbaa89d · cbaa89d
1 parent add3bec
commit cbaa89d
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/main.go b/main.go
@@ -206,6 +206,8 @@ func printUsage() {
 	flag.PrintDefaults()
 }
 
+// printUsageAndExit prints usage and exits with status 0
+// if err is nil, otherwise it prints the error and exits with status 1
 func printUsageAndExit(err error) {
 	printUsage()
 	if err != nil {