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< title > ::/2< / title >
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< h2 > < code > < a class = "back" title = "Return to index" href = "../index.html#to_object2" > ::/2< / a > < / code > < / h2 >
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< h4 > Description< / h4 >
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Object::Predicate
(Object1, Object2, ...)::Predicate
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(Object1; Object2; ...)::Predicate
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Object::(Predicate1, Predicate2, ...)
Object::(Predicate1; Predicate2; ...)
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Sends a message to an object. The message argument must match a public predicate of the receiver object. We can also send the same message to a set of objects or a set of messages to the same object. The "< CODE > ,< / CODE > " and "< CODE > ;< / CODE > " in the list have the usual Prolog meaning.
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< h4 > Template and modes< / h4 >
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+receivers::+messages
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< h4 > Errors< / h4 >
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< dt > Either Object or Predicate is a variable:< / dt >
< dd > < code > instantiation_error< / code > < / dd >
< dt > Predicate is declared private:< / dt >
< dd > < code > permission_error(access, private_predicate, Predicate)< / code > < / dd >
< dt > Predicate is declared protected:< / dt >
< dd > < code > permission_error(access, protected_predicate, Predicate)< / code > < / dd >
< dt > Predicate is not declared:< / dt >
< dd > < code > existence_error(predicate_declaration, Predicate)< / code > < / dd >
< dt > Object does not exist:< / dt >
< dd > < code > existence_error(object, Object)< / code > < / dd >
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< h4 > Examples< / h4 >
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| ?- list::member(X, [1, 2, 3]).
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< strong > < a href = "../methods/after3.html" > Previous< / a > | < a href = "to_self1.html" > Next< / a > | < a href = "../index.html" > Table of Contents< / a > | < a href = "../../bibliography.html" > Bibliography< / a > | < a href = "../../glossary.html" > Glossary< / a > < / strong >
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Last updated on: July 29, 2002
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