1 // objective: test the \interface and \category command
2 // check: category_integer_07_arithmetic_08.xml
3 // check: interface_integer.xml
4 # import <objc/Object.h>
6 @interface Integer : Object {
14 - (id) integer: (int) _integer;
17 @interface Integer (Arithmetic)
19 - (id) add: (Integer *) addend;
20 /** subtract operation */
21 - (id) sub: (Integer *) subtrahend;
24 /** \interface Integer
28 /** \category Integer(Arithmetic)