One lovely trick C/C++ programmers can use is to replace conditional logic (eg. if statements) with function pointers if the result of the conditional logic is a loop invariant. Function pointers do exist in AS3 in the form of the Function class, but they are a dynamic class whose usage is very slow. AS3 also supports Namespaces, which can be used as a function pointer substitute. Are they any faster than directly using Functions? Read on for a quick test.
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