How do I clear a map in C++?
An example of an AI chatbot conversation about clearing a map in C++.
How do I clear a map in C++?
You can clear a map in C++ using the clear() method. For example, myMap.clear(); will remove all elements.
Does clearing a map free up the memory?
Yes, calling clear() will remove all elements, but the memory allocated for the map itself remains until the map is destroyed.
Is there a difference between clear() and erase()?
Yes, clear() removes all elements, while erase() can remove specific elements or ranges.
Can I use clear() on a map of custom objects?
Absolutely! The clear() method works on maps of any type, including custom objects.
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