Iterators Iterators allow iteration over any container whether ordered or unordered

Sep 9, 2024 · Iterators — Range-Based For-Loop [1/2] Iterators are fundamental to the range-based for-loop, a flow-of-control construct introduced in the 2011 C++ Standard.

Iterators are a generalization of pointers in C++ and have similar semantics. They allow a program to navigate through di erent types of containers in a uniform manner.

Kinds of Iterators This leads us to categorize iterators based on their capabilities (of the underlying data organization) Access type Input iterators: Can only READ the value be pointed …

Using an iterator, we don’t need to know how the collection is implemented!

Learning Objectives Describe what an iterator does Enumerate the functions necessary to implement custom iterators Differentiate between pre and post increment operators

Iterators are objects that provide access to the elements in a collection.