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Chapter Summary
Chapter 11.Container operations that add or remove elements can invalidate existing iterators. When mixing actions on iterators and container operations, it is essential to keep in mind whether a given container operation could invalidate the iterators. Many operations that invalidate an iterator, such as insert or erase, return a new iterator that allows the programmer to maintain a position within the container. Loops that use container operations that change the size of a container should be particularly careful in their use of iterators.
