In [5]:

    

function closure()
    state = 0
    function generator()
        state += 1
        if state % 2 == 0 && state % 5 == 0
            return 10
        elseif state % 2 == 0
            return 2
        elseif state % 5 == 0
            return 5
        else
            return 1
        end
    end
    return generator
end
gen = closure()


    

    
Out[5]:





generator (generic function with 1 method)

In [ ]: