- 
          C++03 Examples:
          Illustrates the use of Boost.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 Boost.Asio examples, updated to use
          only C++11 library and language facilities. These examples do not make
          direct use of Boost C++ libraries.
        
- 
          C++14 Examples:
          Contains a limited set of the C++03 Boost.Asio examples, updated to use
          only C++14 library and language facilities. These examples do not make
          direct use of Boost C++ libraries.
        
- 
          C++17 Examples:
          Selected examples illustrating C++17 usage in conjunction with Technical
          Specifications.