Dynamic Class Method ObjC

class-method.m

+ (BOOL)resolveClassMethod:(SEL)name {
    NSString *classname = NSStringFromClass([self class]);
    NSString *selectorString = [NSString stringWithFormat:@"crazyClass%@",classname];
    NSLog(@"string is %@", selectorString);
    SEL ourSelector = NSSelectorFromString(selectorString);
    
    if (name == ourSelector) {
        // adding class method to meta-class
        Class ourClass = object_getClass(NSClassFromString(classname));
        class_addMethod(ourClass, ourSelector, (IMP)crazyClassMethod, "@v:@");
        return YES;
    }
    return [super resolveClassMethod:name];
}

void crazyClassMethod(id self, SEL _cmd) {
    NSLog(@"crazyClassMethod has been added!");
}