Explore the full potential of C++ by mastering the standard library.

Become a C++ Programmer

The C++ standard library is a collection of all the tools and utilities available in C++. It received its latest update in 2017, known as C++17. The update introduces many new features that further optimize our code. This module will help us fully grasp C++ and use it to its full potential.

C++ Standard Library

On the one hand, [iterators](http://en.cppreference.com/w/cpp/header/iterator) are generalizations of pointers which represents positions in a container. On the other hand, they provide powerful iteration and random access in a container. 

Iterators are the glue between the generic containers and the generic algorithms of the Standard Template Library.

Iterators support the following operations:

`*`: Returns the element at the current position.
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`==, !=`: Compares two positions.
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`=`: Assigns a new value to an iterator.

The range-based for-loop uses the iterators implicitly.

Because iterators are not checked, they have the same issues as pointers.

In this part of the course, we will learn to implement iterators and use them to traverse our data.

Introduction