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minxlib::factory_map< K, F, D >::bad_key Struct Reference

Exception to indicate nonexistent key. More...

#include <factory.hh>

Detailed Description

template<typename K, typename F, typename D = null_type>
struct minxlib::factory_map< K, F, D >::bad_key

Exception to indicate nonexistent key.

When a client requests a factory function or client data associated with a key that is not in the map, an instance of this class will be thrown.