anchor.diff:  	return <%= var_pmn %>, nil
   }
   
  -// Previous() get the previous page of <%= @model_name %>Page object for pagination
  +// Previous get the previous page of <%= @model_name %>Page object for pagination
   func (_p *<%= @model_name %>Page) Previous() ([]<%= @model_name %>, error) {
   	if _p.PageNum == 0 {
   		return nil, errors.New("This's the first page, no previous page yet")
  
positive.code: 	orderStr    string
  }
  
  // Current() get the current page of <%= @model_name %>Page object for pagination
  func (_p *<%= @model_name %>Page) Current() ([]<%= @model_name %>, error) {
  	if _, exist := _p.Order["id"]; !exist {
  		return nil, errors.New("No id order specified in Order map")
  
negative.code: 	return <%= var_pmn %>, nil
  }
  
  // GetPage is a helper function for the <%= @model_name %>Page object to return a corresponding page due to
  // the parameter passed in, one of "previous, current or next"
  func (_p *<%= @model_name %>Page) GetPage(direction string) (ps []<%= @model_name %>, err error) {
  	switch direction {
  