Can you explain how to use advanced iterators with C++11 vectors?
Sure! In C++11, you can use iterators like begin()
, end()
, and also range-based for loops. What specific functionality are you interested in?
I'm curious about using std::for_each
with a vector.
Great choice! You can use std::for_each
to apply a function to each element in the vector. Here's a quick example: std::for_each(vec.begin(), vec.end(), [](int n) { std::cout << n << ' '; });
.
What if I want to modify the elements while iterating?
You can use a lambda function that modifies the elements directly. For instance: std::for_each(vec.begin(), vec.end(), [](int &n) { n *= 2; });
will double each element.
Can I use iterators with other STL containers?
Absolutely! Most STL containers like list
, set
, and map
support iterators, and you can use similar functions with them.
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