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C++ iterators

C++ reference for c++ iterators.

Syntax

for (auto it = values.begin(); it != values.end(); ++it) {
  std::cout << *it;
}

Examples

C++ iterators example

A focused example you can adapt while practising.

for (auto it = values.begin(); it != values.end(); ++it) {
  std::cout << *it;
}

Best practices

  • Start with the smallest working example, then adapt it to your project.
  • Use the language’s standard library and idioms before introducing extra dependencies.

At a glance

Purpose
Systems and general-purpose software
File extension
.cpp · .hpp
Runs in
Compiled native applications
Usually used with
Compiler and standard library

Specifications & further reading

Related C++ documentation

C++ Vector & Map
std::vector is a resizable sequence container. std::map stores key-value pairs ordered by key. Both are available through standard-library headers.C++ std::array
C++ reference for c++ std::array.C++ std::vector
C++ reference for c++ std::vector.C++ std::map
C++ reference for c++ std::map.