
return function (self, sel, atoms)
   self.inlets = 1
   self.outlets = 1
   self.counter = type(atoms[1]) == "number" and atoms[1] or 0
   self.step = type(atoms[2]) == "number" and atoms[2] or 1
   function self:in_1_bang()
      self:outlet(1, "float", {self.counter})
      self.counter = self.counter + self.step
   end
   return true
end
