Definition: In computer science and software engineering, a "pre-packed" object is an object that has all its members set to the same value at construction time. This means that if there are multiple instances of the same class with different values for their members, they will be stored in memory in contiguous blocks until one instance is created. For example, consider a simple class `Person`: ```cpp class Person { public: Person(int id) : id(id), name("John") {} private
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