Logtalk built-in predicate: current_event/5

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## `current_event/5`

#### Description

>     current_event(Event, Object, Message, Sender, Monitor)

> Enumerates, by backtracking, all defined events.

#### Template and modes

>     current_event(?event, ?object_identifier, ?callable, ?object_identifier, ?object_identifier)

#### Errors

> Event is neither a variable nor a valid event identifier:
>   `type_error(event, Event)`
> Object is neither a variable nor a valid object identifier:
>   `type_error(object_identifier, Object)`
> Message is neither a variable nor a callable term:
>   `type_error(callable, Message)`
> Sender is neither a variable nor a valid object identifier:
>   `type_error(object_identifier, Sender)`
> Monitor is neither a variable nor a valid object identifier:
>   `type_error(object_identifier, Monitor)`

#### Examples

>     | ?- current_event(Event, Object, Message, Sender, debugger).

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