Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

Exception thrown when trying to access an empty polymorphic executor.

class bad_executor :
  public std::exception

Name	Description
bad_executor [constructor]	Constructor.
what	Obtain message associated with exception.

Header: boost/asio/executor.hpp

Convenience header: boost/asio.hpp