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Allocating Arrays with Placement new

Learn how to allocate arrays of objects on a predetermined memory address using this unusual twist on placement new.


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llocating objects on a predetermined memory address has become a popular idiom in recent years, particularly in mobile programming, embedded systems, and custom garbage collectors. However, the technique shown in my debut 10-Minute Solution covers only scalar objects. Many readers have asked me whether it's possible to use a similar technique for allocating arrays as well. The answer is of course "yes." Here's how.


How can you allocate arrays of objects on a predetermined memory address?


Use placement new with a twist.



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