It may surprise you to hear this, but I don't believe that code is primarily a set of instructions for the computer. Actually, I think the fact that code instructs the computer is almost a happy accident. I believe very deeply that the vastly more important role of
I call it my billion-dollar mistake. It was the invention of the null reference in 1965. ... This has led to innumerable errors, vulnerabilities, and system crashes, which have probably caused a billion dollars of pain and damage in the last forty years. — Tony Hoare Introduction Null represents the absence