render.go
func (render *Render) Execute(name string, context interface{}, request *http.Request, writer http.ResponseWriter) error {
	tmpl := &Template{render: render, usingDefaultLayout: true}
	return tmpl.Execute(name, context, request, writer)
}
func (render *Render) Execute(name string, context interface{}, request *http.Request, writer http.ResponseWriter) error {
	tmpl := &Template{render: render, usingDefaultLayout: true}
	return tmpl.Execute(name, context, request, writer)
}
// Execute render template with default "application" layout.