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C# 4.0 Unleashed by Bart De Smet

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Delegate Types

As you’ve seen repeatedly, the CLR provides type safety, making programs more robust against errors introduced by programmers. It’s no surprise that delegates are no exception to this rule. This immediately contrasts delegate types against raw function pointers as seen in languages such as C and C++:

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Although the preceding fragment is well written, lots of opportunities exist to perform unsafe operations. For example, you could trick fpAdd so that it points to a function that takes arguments of types different from int (or a different number of arguments), without any runtime protection whatsoever against this kind of mishap. ...

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