What are reference types in C++?
An example of an AI chatbot conversation about C++ reference types.
What are reference types in C++?
In C++, reference types are an alias for another variable. They allow you to refer to a variable without copying it.
How do I declare a reference type?
You declare a reference type using the '&' symbol. For example: int& ref = original;.
What are the benefits of using reference types?
Reference types can improve performance by avoiding copies and allow functions to modify the original variable.
Can a reference type be null?
No, a reference in C++ must always refer to a valid object; it cannot be null.
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