Check error of Fprintln

7 years ago · 2c45eb1078
1 changed files with 3 additions and 1 deletions
--- a/main.go
+++ b/main.go
@ -57,7 +57,9 @@ func main() {
 }

 func printToStderr(xs ...interface{}) {
-	fmt.Fprintln(os.Stderr, xs...)
+	if _, err := fmt.Fprintln(os.Stderr, xs...); err != nil {
+		panic(err)
+	}
 }

 func fail(err error) {