NS_ASSUME_NONNULL_BEGIN
@interface NSObject (Extention)
+ (void)test;
@end
NS_ASSUME_NONNULL_END
#import "NSObject+Extention.h"
@implementation NSObject (Extention)
- (void)test{
NSLog(@"test1");
}
@end
//增加一个方法
//+(void)test:
//-(void)test;
//能输出吗?
#import <UIKit/UIKit.h>
#import "AppDelegate.h"
#import "NSObject+Extention.h"
int main(int argc, char * argv[]) {
NSString * appDelegateClassName;
@autoreleasepool {
[NSObject test];
// Setup code that might create autoreleased objects goes here.
appDelegateClassName = NSStringFromClass([AppDelegate class]);
}
return UIApplicationMain(argc, argv, nil, appDelegateClassName);
}