def label_for(k, label: nil)
      tag(:label, for: k.to_s.dasherize){ label || k.to_s.titleize } unless label == false
    end
def label_for(k, label: nil)
      tag(:label, for: k.to_s.dasherize){ label || k.to_s.titleize } unless label == false
    end
allow "label: false" to prevent label being generated so that function that call label_for
 can all consistently omit the label when label value is given as false