package main

import (
	"flag"

	"github.com/golang/glog"
)

func main() {
	flag.Parse()
	defer glog.Flush()

	glog.V(1).Infoln("v1.info!")
	glog.V(0).Infoln("v0.info!")
	glog.Infoln("info!")
	glog.Warningln("warn!")
	glog.Errorln("error!")
}