What are the differences between C++20 iterators and ranges?
An example of an AI chatbot conversation about C++20 iterators and ranges.
What are the main differences between C++20 iterators and ranges?
C++20 introduced ranges as a higher-level abstraction over iterators. Ranges allow for more readable and expressive code.
Can you give me an example of how to use ranges?
Sure! Instead of using iterators directly, you can use the std::views to create a range. For example, std::views::transform can be used to apply a function to each element.
Are there performance differences between using iterators and ranges?
Generally, ranges can be optimized to be as efficient as iterators, but they provide better readability and maintainability.
What are some common pitfalls when using ranges?
One common pitfall is not understanding the lifetime of the underlying data. Ranges can become invalid if the data they reference goes out of scope.
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