From 473bcd5aa16d568b328fece4a46c1535bf981cb4 Mon Sep 17 00:00:00 2001
From: Marcus Franke <marcus.franke@gmail.com>
Date: Wed, 2 Nov 2016 10:48:36 +0100
Subject: [PATCH 1/2] [docs] enhanced the basic example

To protect people from starting their exporter multiple times, one has to
evaluate the error returned by http.ListenAndServe().
---
 prometheus/doc.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/prometheus/doc.go b/prometheus/doc.go
index b15a2d3..618c4de 100644
--- a/prometheus/doc.go
+++ b/prometheus/doc.go
@@ -59,7 +59,7 @@
 //    	// The Handler function provides a default handler to expose metrics
 //    	// via an HTTP server. "/metrics" is the usual endpoint for that.
 //    	http.Handle("/metrics", promhttp.Handler())
-//    	http.ListenAndServe(":8080", nil)
+//      log.Fatal(http.ListenAndServe(":8080", nil))
 //    }
 //
 //

From 17f1add33cedc24f83d52f6b00963b526e1be4e2 Mon Sep 17 00:00:00 2001
From: Marcus Franke <marcus.franke@gmail.com>
Date: Wed, 2 Nov 2016 10:52:31 +0100
Subject: [PATCH 2/2] Changed example sources according to the basic
 documentation example

---
 examples/random/main.go | 3 ++-
 examples/simple/main.go | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/examples/random/main.go b/examples/random/main.go
index 5639571..955b21b 100644
--- a/examples/random/main.go
+++ b/examples/random/main.go
@@ -18,6 +18,7 @@ package main
 
 import (
 	"flag"
+	"log"
 	"math"
 	"math/rand"
 	"net/http"
@@ -99,5 +100,5 @@ func main() {
 
 	// Expose the registered metrics via HTTP.
 	http.Handle("/metrics", prometheus.Handler())
-	http.ListenAndServe(*addr, nil)
+	log.Fatal(http.ListenAndServe(*addr, nil))
 }
diff --git a/examples/simple/main.go b/examples/simple/main.go
index 19620d2..47f57ca 100644
--- a/examples/simple/main.go
+++ b/examples/simple/main.go
@@ -16,6 +16,7 @@ package main
 
 import (
 	"flag"
+	"log"
 	"net/http"
 
 	"github.com/prometheus/client_golang/prometheus"
@@ -26,5 +27,5 @@ var addr = flag.String("listen-address", ":8080", "The address to listen on for
 func main() {
 	flag.Parse()
 	http.Handle("/metrics", prometheus.Handler())
-	http.ListenAndServe(*addr, nil)
+	log.Fatal(http.ListenAndServe(*addr, nil))
 }