new(ary, sec=nil)
  public
  
    
    
Creates a TupleEntry based on ary with an optional renewer or
expiry time sec.
A renewer must implement the renew method which returns a
Numeric, nil, or true to indicate when the
tuple has expired.
   
  
    Show source    
    
      
    def initialize(ary, sec=nil)
      @cancel = false
      @expires = nil
      @tuple = make_tuple(ary)
      @renewer = nil
      renew(sec)
    end