Sometimes, it is desirable that an empty vector be as small as possible. For example, someone might

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Sometimes, it is desirable that an empty vector be as small as possible. For example, someone might use vector>> a lot but have most element vectors empty. Define a vector so that sizeof(vector) ==sizeof(int*), that is, so that the vector itself consists only of a pointer to a representation consisting of the elements, the number of elements, and the space pointer.

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Sometimes, it is desirable that an empty vector be as small as possible. For example, someone might

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It sounds like you are trying to create a vectorlike data structure that only stores a pointer to th...View the full answer

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