• http://www.boost.org/doc/libs/1_36_0/doc/html/boost_asio/overview/core/async.html
• http://en.wikipedia.org/wiki/Adapter_pattern
• http://journal.stuffwithstuff.com/2012/01/24/higher-order-macros-in-c/
• https://github.com/iluwatar/java-design-patterns

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