code: func (r *GoRequest) GetMultipartForm() (ServerMultipartForm, error) {
  	if !r.MultiFormParsed {
  		if e := r.Original.ParseMultipartForm(r.Engine.MaxMultipartSize); e != nil {
  			return nil, e
  		}
  		r.ParsedForm = r.Engine.goMultipartFormStack.Pop().(*GoMultipartForm)
  		r.ParsedForm.Form = r.Original.MultipartForm
  	}
  
  	return r.ParsedForm, nil
  }
docs: // Returns the form