more docs for classes
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@ -28,8 +28,10 @@ $nl
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$nl
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"Classes themselves form a class:"
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{ $subsection class? }
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"You can ask an object for its class:"
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"You can ask an object for its class or superclass:"
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{ $subsection class }
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{ $subsection superclass }
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{ $subsection superclasses }
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"Testing if an object is an instance of a class:"
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{ $subsection instance? }
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"Class predicates can be used to test instances directly:"
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@ -79,7 +81,27 @@ $low-level-note ;
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HELP: superclass
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{ $values { "class" class } { "super" class } }
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{ $description "Outputs the superclass of a class. All instances of this class are also instances of the superclass." } ;
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{ $description "Outputs the superclass of a class. All instances of this class are also instances of the superclass." }
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{ $examples
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{ $example "USING: classes prettyprint ;"
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"t superclass ."
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"word"
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}
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} ;
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HELP: superclasses
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{ $values
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{ "class" class }
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{ "supers" sequence } }
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{ $description "Outputs a sequence of superclasses of a class along with the class itself." }
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{ $examples
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{ $example "USING: classes prettyprint ;"
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"t superclasses ."
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"{ word t }"
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}
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} ;
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{ superclass superclasses } related-words
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HELP: members
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{ $values { "class" class } { "seq" "a sequence of union members, or " { $link f } } }
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@ -97,3 +119,9 @@ $low-level-note ;
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HELP: implementors
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{ $values { "class/classes" "a class or a sequence of classes" } { "seq" "a sequence of generic words" } }
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{ $description "Finds all generic words in the dictionary implementing methods for the given set of classes." } ;
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HELP: instance?
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{ $values
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{ "object" object } { "class" class }
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{ "?" "a boolean" } }
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{ $description "Tests whether the input object is a member of the class." } ;
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