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Managing Objects' Construction Order

Standard C++ doesn't specify the initialization order of objects with static storage type. Using the accessor function will ensure that objects in separately compiled files are constructed in the correct order.


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n standard C++, the initialization order of objects with static storage type that are declared in separate translation units is unspecified. If, for instance, a constructor of object A takes as an argument a value returned from a member function of object B, B must be constructed before A. However, if A and B are defined in separately compiled files, there's no guarantee that B will be constructed first.


How can you ensure that objects defined in separately compiled files are constructed in a desired order?


Avoid global objects. Use special accessor functions instead.





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