parameters: (self, name, diag, freq)
docstring: Constructs a HeaderlessTopicDiagnostic.
  
          @param name The name of the topic that is being diagnosed.
  
          @param diag The diagnostic_updater that the CompositeDiagnosticTask
          should add itself to.
  
          @param freq The parameters for the FrequencyStatus class that will be
          computing statistics.
docstring_summary: Constructs a HeaderlessTopicDiagnostic.
docstring_tokens: Constructs a HeaderlessTopicDiagnostic .
function: def __init__(self, name, diag, freq):
          """Constructs a HeaderlessTopicDiagnostic.
  
          @param name The name of the topic that is being diagnosed.
  
          @param diag The diagnostic_updater that the CompositeDiagnosticTask
          should add itself to.
  
          @param freq The parameters for the FrequencyStatus class that will be
          computing statistics.
          """
          CompositeDiagnosticTask.__init__(self, name + " topic status")
          self.diag = diag
          self.freq = FrequencyStatus(freq)
          self.addTask(self.freq)
          self.diag.add(self)
function_tokens: def __init__ ( self , name , diag , freq ) : CompositeDiagnosticTask . __init__ ( self , name + " topic status" ) self . diag = diag self . freq = FrequencyStatus ( freq ) self . addTask ( self . freq ) self . diag . add ( self )