How do I use the std::list iterator in C++?

How do I use the std::list iterator in C++?

To use the std::list iterator, you first need to include the <list> header. Then, you can create a list and use the iterator to traverse it.

Can you show me a code example?

Sure! Here's a simple example:

#include <iostream>
#include <list>

int main() {
    std::list<int> myList = {1, 2, 3, 4, 5};
    for (std::list<int>::iterator it = myList.begin(); it != myList.end(); ++it) {
        std::cout << *it << " ";
    }
    return 0;
}

What if I want to remove an element while iterating?

You can use the erase method. Here's how:

for (auto it = myList.begin(); it != myList.end(); ) {
    if (*it == 3) {
        it = myList.erase(it); // erase returns the next iterator
    } else {
        ++it;
    }
}