std::ios_base::event_callback
From cppreference.com
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typedef
void
(
*event_callback )
( event type, ios_base& ios, int index )
;
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The type of function callbacks that can be registered using register_callback() to be called on specific events.
type is a value of type ios_base::event
ios refers to the stream object for which the callback is invoked: *this is passed as the argument when callbacks are invoked by std::ios_base and std::basic_ios
index is the user-provided value passed to register_callback()
See also
| copies formatting information (public member function of std::basic_ios<CharT,Traits>) |
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| sets locale (public member function) |
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[virtual]
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destructs the object (virtual public member function) |
| registers event callback function (public member function) |