go: Minor changes in the code to follow code conventions

Merge fixes to code formatting and naming as reported by gofmt and
golint from Gabriel.

see: kirr/helloweb!1

go/helloweb.go

@@ -4,22 +4,20 @@
 package main
 
 import (
-    "os"
+	"flag"
 	"fmt"
-    "time"
 	"log"
-    "flag"
-    "strings"
 	"net"
 	"net/http"
+	"os"
+	"strings"
+	"time"
 )
 
-
 func asctime() string {
 	return time.Now().Format(time.ANSIC)
 }
 
-
 // wrapper for http.Handler to log all requests
 func logit(handler http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
@@ -28,8 +26,6 @@ func logit(handler http.Handler) http.Handler {
 	})
 }
 
-
-
 var name string
 
 func webhello(w http.ResponseWriter, r *http.Request) {
@@ -40,7 +36,7 @@ func webhello(w http.ResponseWriter, r *http.Request) {
 func main() {
 	logfile := flag.String("logfile", "", "log output to file instead of stderr")
 	flag.Usage = func() {
-        fmt.Println("Usage: helloweb.go [options] bind_ip bind_port ...")
+		fmt.Println("Usage: helloweb.go [options] bindIP bindPort ...")
 		flag.PrintDefaults()
 	}
 	flag.Parse()
@@ -50,9 +46,9 @@ func main() {
 		os.Exit(1)
 	}
 
-    bind_ip    := flag.Arg(0)
-    bind_port  := flag.Arg(1)
-    bind_addr  := net.JoinHostPort(bind_ip, bind_port)
+	bindIP := flag.Arg(0)
+	bindPort := flag.Arg(1)
+	bindAddr := net.JoinHostPort(bindIP, bindPort)
 
 	name = strings.Join(flag.Args()[2:], " ")
 	if name == "" {
@@ -61,7 +57,7 @@ func main() {
 
 	// redirect log to file, if requested
 	if *logfile != "" {
-        f, err := os.OpenFile(*logfile, os.O_RDWR | os.O_CREATE | os.O_APPEND, 0644)
+		f, err := os.OpenFile(*logfile, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0644)
 		if err != nil {
 			panic(err)
 		}
@@ -69,9 +65,9 @@ func main() {
 		log.SetOutput(f)
 	}
 
-    log.Printf("* %s helloweb.go starting at %s", asctime(), bind_addr)
+	log.Printf("* %s helloweb.go starting at %s", asctime(), bindAddr)
 
 	http.HandleFunc("/", webhello)
 	log.Fatal(
-        http.ListenAndServe(bind_addr, logit(http.DefaultServeMux)))
+		http.ListenAndServe(bindAddr, logit(http.DefaultServeMux)))
 }