I re-writed the example using self in a context of a clousure, as I said, isn't a good idea to use reserved words as variable names, but self is a variable name, so I think the example fits better. :) Tks for your observations @daij-djan.
I re-writed the example using self in a context of a clousure, as I said, isn't a good idea to use reserved words as variable names, but self is a variable name, so I think the example fits better. :) Tks for your observations @daij-djan.