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< title > Logtalk built-in predicate: define_events/2< / title >
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< a href = "../../index.html" > contents< / a > > < a href = "../index.html" > reference manual< / a > > < a href = "../index.html#builtins" > built-in predicates< / a >
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< h2 > < code > define_events/5< / code > < / h2 >
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< h4 > Description< / h4 >
< blockquote >
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< pre > define_events(Event, Object, Message, Sender, Monitor)< / pre >
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< p >
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Defines a new set of events. The two types of events are represented by the atoms < code > before< / code > and < code > after< / code > .
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< / blockquote >
< h4 > Template and modes< / h4 >
< blockquote >
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< pre > define_events(@event, @object_identifier, @callable, @object_identifier, +object_identifier)< / pre >
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< / blockquote >
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< h4 > Errors< / h4 >
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< blockquote >
< dl >
< dt > Event is neither a variable nor a valid event identifier:< / dt >
< dd > < code > type_error(event, Event)< / code > < / dd >
< dt > Object is neither a variable nor a valid object identifier:< / dt >
< dd > < code > type_error(object_identifier, Object)< / code > < / dd >
< dt > Message is neither a variable nor a callable term:< / dt >
< dd > < code > type_error(callable, Message)< / code > < / dd >
< dt > Sender is neither a variable nor a valid object identifier:< / dt >
< dd > < code > type_error(object_identifier, Sender)< / code > < / dd >
< dt > Monitor is a variable:< / dt >
< dd > < code > instantiation_error< / code > < / dd >
< dt > Monitor is neither a variable nor a valid object identifier:< / dt >
< dd > < code > type_error(object_identifier, Monitor)< / code > < / dd >
< / dl >
< / blockquote >
< h4 > Examples< / h4 >
< blockquote >
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< pre > | ?- define_events(_, list, member(_, _), _ , debugger).< / pre >
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< a href = "current_event5.html" > previous< / a > | < a href = "../../glossary.html" > glossary< / a > | < a href = "../index.html#builtins" > next< / a >
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Copyright © < a href = "mailto:pmoura@logtalk.org" > Paulo Moura< / a > — < a href = "http://www.logtalk.org" > Logtalk.org< / a >
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