render/func.go
func (e *Engine) Func(s string, fn RendererFunc) Renderer {
	return Func(s, fn)
}
func (e *Engine) Func(s string, fn RendererFunc) Renderer {
	return Func(s, fn)
}
func ( e * Engine ) Func ( s string , fn RendererFunc ) Renderer { return Func ( s , fn ) }
// Func renderer allows for easily building one of renderers
// using just a RendererFunc and not having to build a whole
// implementation of the Render interface.
Func renderer allows for easily building one of renderers using just a RendererFunc and not having to build a whole implementation of the Render interface .