package main import ( "log" "os" "text/template" ) const tmplStr = `Elements of map: {{ range $k, $v := . }}{{ $k }}: {{ $v }} {{end}}` func main() { t := template.Must(template.New("range").Parse(tmplStr)) data := map[string]int{ "one": 1, "five": 5, } err := t.Execute(os.Stdout, data) if err != nil { log.Fatalf("t.Execute() failed with '%s'\n", err) } }