- 
          C++03 Examples: Illustrates
          the use of Asio using only C++03 language and library features. Where necessary,
          the examples make use of selected Boost C++ libraries.
        
- 
          C++11 Examples: Contains
          a limited set of the C++03 Asio examples, updated to use only C++11 library
          and language facilities. These examples do not make direct use of Boost
          C++ libraries. To show the changes between C++03 and C++11, these examples
          include a diff between the C++03 and C++11 versions.
        
- 
          C++17 Examples: Selected
          examples illustrating C++17 usage in conjunction with Technical Specifications.