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C++ range-based for loops

C++ reference for c++ range-based for loops.

Syntax

for (const auto& tag : tags) {
  std::cout << tag << "\n";
}

Examples

C++ range-based for loops example

A focused example you can adapt while practising.

for (const auto& tag : tags) {
  std::cout << tag << "\n";
}

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