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Home/ Questions/Q 7543077
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Editorial Team
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Editorial Team
Asked: May 30, 20262026-05-30T08:20:03+00:00 2026-05-30T08:20:03+00:00

If i cast an object to the base type and store it in a

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If i cast an object to the base type and store it in a std::map, and then get it back and recast it to the derived type, do i still have the correct data in the derived class members ?

Do i need to make a specific kind of cast ?

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  1. Editorial Team
    Editorial Team
    2026-05-30T08:20:05+00:00Added an answer on May 30, 2026 at 8:20 am

    If you’re casting pointers to the object, it’s no problem because the pointers will still point to the same object.

    If you’re casting the actual object, all information from the subclass will be lost when its converted to the superclass, so casting it back won’t restore that information.

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