Can you give me some examples of generics in C++?
Sure! In C++, generics are implemented using templates. For example, you can create a function template for swapping two values.
How does the swap function template look?
Here's a simple example:
template <typename T>
void swap(T &a, T &b) {
T temp = a;
a = b;
b = temp;
}
This function can swap values of any data type!
Can you show me how to use this swap function?
Absolutely! You can use it like this:
int x = 5, y = 10;
swap(x, y);
// Now x is 10 and y is 5
It works for any type, like float
or string
too!
What are some other use cases for templates in C++?
Templates can be used for creating classes, like a generic stack or a linked list, allowing for type flexibility.
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