From 2c45eb107862f921826e40142b4a6ff3ab0d33c2 Mon Sep 17 00:00:00 2001
From: Yota Toyama <raviqqe@gmail.com>
Date: Wed, 1 Aug 2018 16:15:29 -0700
Subject: [PATCH] Check error of Fprintln

---
 main.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/main.go b/main.go
index 6687ff2..920f23f 100644
--- 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) {