import (
  "html/template" // or "text/template"
  "github.com/sonots/go-template_metrics"
)

func main() {
  // formTmpl := template.Must(template.ParseFiles("views/base.html", "views/form.html"))
  formTmpl := template_metrics.WrapTemplate("form", template.Must(template.ParseFiles("views/base.html", "views/form.html")))

  // Use as usual
  formTmpl.Execute(w, data)
  // or
  formTmpl.ExecuteTemplate(w, "base", data)

  template_metrics.Verbose = true // print metrics on each rendering
  template_metrics.Print(1) // print metrics on each 1 second
  // template_metrics.Enable = false // turn off the instrumentation
}

template_metrics.Print(60)

template_metrics.Verbose = true