How do I use STL pairs in C++?
An example of an AI chatbot conversation about using STL pairs in C++ programming.
How do I use STL pairs in C++?
STL pairs in C++ are used to store two related values. You can create a pair using std::make_pair or directly with std::pair.
Can you give me an example of creating and accessing a pair?
Sure! You can create a pair like this: std::pair<int, std::string> myPair = std::make_pair(1, "Hello");. To access the values, use myPair.first and myPair.second.
What are some common use cases for pairs?
Common use cases include returning multiple values from a function, storing key-value pairs in associative containers, and more.
Are there any limitations to using pairs?
Pairs are simple and efficient, but they can only hold two values. For more complex data, consider using tuples or structs.
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