Why iterators got it all wrong
summary
Explains problems with C++ iterators as an abstraction and how their design leads to complexity and errors; examines concrete issues such as iterator invalidation, category-based interfaces (input/output/forward/bidirectional/random-access), and limitations for modern use cases. Discusses alternative approaches and techniques in C++ to avoid iterator-related pitfalls, referencing practical examples and language features from contemporary C++.
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