title: is there a pass statement in Lua like in python
body: <p>Like in python we are having pass statement.</p>
  
  <pre>
  def calcu():
      pass
  </pre>
  
  <p>in Lua is there any statment like this ?
  i want to do </p>
  
  <pre>
  if connect then 
      pass
  </pre>