package main import ( "log" "os" "text/template" ) func main() { tmplStr := "Data: {{.}}\n" t := template.Must(template.New("simple").Parse(tmplStr)) execWithData := func(data interface{}) { err := t.Execute(os.Stdout, data) if err != nil { log.Fatalf("t.Execute() failed with '%s'\n", err) } } execWithData(5) execWithData("foo") st := struct { Number int Str string }{ Number: 3, Str: "hello", } execWithData(st) }