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11.2.4.2 Predicates on instances of mbfl_default_class ¶

Function: mbfl_default_class_p DEFOBJ ¶

Return true if DEFOBJ is an instance of mbfl_default_class or of a subclass of mbfl_default_class; otherwise return false.

mbfl_default_class_p _(mbfl_default_class)  ⇒ true
mbfl_default_class_p _(mbfl_default_object) ⇒ true

mbfl_default_class_declare(COLOUR)
mbfl_default_class_define _(COLOUR) _(mbfl_default_object) 'colour' r g b
mbfl_default_class_p _(COLOUR) ⇒ true

Function: mbfl_default_metaclass_p DEFOBJ ¶

Return true if DEFOBJ is an object that meets the following criteria:

1. the class of DEFOBJ is mbfl_default_class or a subclass of mbfl_default_class;
2. DEFOBJ itself must be a subclass of mbfl_default_class.

mbfl_default_metaclass_p _(mbfl_default_object) ⇒ false
mbfl_default_metaclass_p _(mbfl_default_class)  ⇒ true