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boost::program_options::error_with_no_option_name
// In header: <boost/program_options/errors.hpp> class error_with_no_option_name : public { public: // construct/copy/destruct (, = ""); ~(); // public member functions (); };
Base class of unparsable options, when the desired option cannot be identified.
It makes no sense to have an option name, when we can't match an option to the parameter
Having this a part of the error_with_option_name hierachy makes error handling a lot easier, even if the name indicates some sort of conceptual dissonance!