add error package

third_party/github.com/coreos/go-etcd/examples/mutex/mutex.go

@@ -17,7 +17,6 @@ func main() {
 	c := etcd.NewClient()
 	c.Set("lock", "unlock", 0)
 
-
 	for i := 0; i < 10; i++ {
 		go t(i, ch, etcd.NewClient())
 	}

third_party/github.com/coreos/go-etcd/examples/speed/speed.go

@@ -1,8 +1,8 @@
-package main 
+package main
 
 import (
-	"github.com/coreos/go-etcd/etcd"
 	"fmt"
+	"github.com/coreos/go-etcd/etcd"
 	"time"
 )
 
@@ -11,21 +11,21 @@ var count = 0
 func main() {
 	ch := make(chan bool, 10)
 	// set up a lock
-	for i:=0; i < 100; i++ {
+	for i := 0; i < 100; i++ {
 		go t(i, ch, etcd.NewClient())
 	}
 	start := time.Now()
-	for i:=0; i< 100; i++ {
+	for i := 0; i < 100; i++ {
 		<-ch
 	}
-	fmt.Println(time.Now().Sub(start), ": ", 100 * 50, "commands")
+	fmt.Println(time.Now().Sub(start), ": ", 100*50, "commands")
 }
 
 func t(num int, ch chan bool, c *etcd.Client) {
 	c.SyncCluster()
 	for i := 0; i < 50; i++ {
-		str := fmt.Sprintf("foo_%d",num * i)
+		str := fmt.Sprintf("foo_%d", num*i)
 		c.Set(str, "10", 0)
 	}
-	ch<-true
+	ch <- true
 }