Root Object Methods and Categories
Table B.8 summarizes the instance and class methods defined for the root object Object.
Table B.8. Root Object Methods
| Method Type | Methods |
|---|
| Creation and copying methods |
50
+new;
+free;
-free;
+alloc;
-copy;
+allocFromZone: (void *) zone;
-copyFromZone: (void *) zone;
-(void *) zone;
|
| Initialization methods |
50
+ initialize;
- init;
|
| Introspection |
50
+ class;
+superclass;
+(const char *) name;
-class;
-superclass;
-(const char *) name;
-(BOOL) isKindOf: classObject;
-(BOOL) isMemberOf: classObject;
-(BOOL) isKindOfClassNamed: (const char *)
className;
-(BOOL) isMemberOfClassNamed: (const char *)
className;
+(BOOL) instancesRespondTo: (SEL)
selector;
-(BOOL) respondsTo: selector;
- (BOOL) conformsTo: (Protocol *)
protocol;
+(BOOL) conformsTo: (Protocol *) protocol;
|
| Identifying and comparing instances |
50
-self;
- (unsigned int) hash;-(BOOL) isEqual: object;
|
| Information about methods |
50
-(struct objc_method_description *)
descriptionForMethod: (SEL) selector;
+(struct objc_method_description *)
descriptionForInstanceMethod: (SEL) selector;
-(IMP) methodFor: (SEL) selector;
+(IMP) instanceMethodFor: (SEL) selector;
|
| Performing methods and forwarding |
50
-perform: (SEL) selector;-perform: (SEL) selector with: object;
-perform: (SEL) selector with: object1 with:
object2;
-performv: (SEL) selector : (marg_list) args;
-forward: (SEL) selector : (marg_list) args;
|
| Posing Enforcing intentions |
50
+poseAs: classObject;
-subclassResponsibility: (SEL) selector;
-notImplemented: (SEL) selector;
|
| Error handling |
50
-doesNotRecognize: (SEL) selector;
-error: (const char *) format, ...;
|
| Debugging Archiving |
50
-(void) printForDebugger: (void *) stream;
-awake;-read: (void *) stream;
-write: (void *) stream;
+setVersion: (int) version;
+(int) version;
|
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