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What would Anders Hejlsberg, author of the C# language think about the Observer Pattern example found at the global wiki? Given the fact that he advocates using the C# delegate/event system for exactly this pattern? He must be feeling like the inventor of the airbag and experiencing drivers happily bumping their heads on the dashboard…

We have always learned that swapping values in programming is easily done by having a 'helper' value. Because if you do not use a helper value you will get the following problem: c#:{ a = 1; b = 2; a = b; // a now holds 2 b = a; // b now also holds…