def <<(fromTo)
      return nil unless fromTo.is_a?(Languages::FunctionAbstract)
      @name = fromTo.name
      @parameters = fromTo.parameters
      @managerCondLoopAndBlock = fromTo.managerCondLoopAndBlock
      @visibility = fromTo.visibility
      @comments = fromTo.comments
      @type = @type
    end
def <<(fromTo)
      return nil unless fromTo.is_a?(Languages::FunctionAbstract)
      @name = fromTo.name
      @parameters = fromTo.parameters
      @managerCondLoopAndBlock = fromTo.managerCondLoopAndBlock
      @visibility = fromTo.visibility
      @comments = fromTo.comments
      @type = @type
    end
Copy elements from an object of FunctionAbstract to specific element
 @param fromTo Reference from FunctionAbstract