Warning: This is the manual of the legacy Guile 2.2 series. You may want to read the manual of the current stable series instead.

8.8.1 Classes

A GOOPS class is itself an instance of the <class> class, or of a subclass of <class>. The definition of the <class> class has slots that are used to describe the properties of a class, including the following.

primitive procedure: class-name class

Return the name of class class. This is the value of class’s name slot.

primitive procedure: class-direct-supers class

Return a list containing the direct superclasses of class. This is the value of class’s direct-supers slot.

primitive procedure: class-direct-slots class

Return a list containing the slot definitions of the direct slots of class. This is the value of class’s direct-slots slot.

primitive procedure: class-direct-subclasses class

Return a list containing the direct subclasses of class. This is the value of class’s direct-subclasses slot.

primitive procedure: class-direct-methods class

Return a list of all the generic function methods that use class as a formal parameter specializer. This is the value of class’s direct-methods slot.

primitive procedure: class-precedence-list class

Return the class precedence list for class class (see Class Precedence List). This is the value of class’s cpl slot.

primitive procedure: class-slots class

Return a list containing the slot definitions for all class’s slots, including any slots that are inherited from superclasses. This is the value of class’s slots slot.

procedure: class-subclasses class

Return a list of all subclasses of class.

procedure: class-methods class

Return a list of all methods that use class or a subclass of class as one of its formal parameter specializers.