Placement syntax: Difference between revisions

Revision as of 06:26, 22 October 2020

Revision as of 17:32, 10 November 2020

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== Use cases ==

Placement new is used when you do not want operator new to allocate memory (you have pre-allocated it and you want to place the object there), but you do want the object to be constructed. Examples of typical situations where this may be required are:

* You want to create objects in memory shared between two different processes.