chore: import upstream snapshot with attribution

2026-07-13 12:09:14 +08:00
commit d88fd01084
727 changed files with 235247 additions and 0 deletions
@@ -0,0 +1,54 @@
+#import <Foundation/Foundation.h>
+#import "SampleDelegate.h"
+
+@interface Animal : NSObject <SampleDelegate>
+
+@property (nonatomic, strong) NSString *name;
+
+- (instancetype)initWithName:(NSString *)name;
+- (void)speak;
+
+@end
+
+@implementation Animal
+
+- (instancetype)initWithName:(NSString *)name {
+    self = [super init];
+    if (self) {
+        _name = name;
+    }
+    return self;
+}
+
+- (void)speak {
+    NSLog(@"%@ makes a sound.", self.name);
+}
+
+@end
+
+@interface Dog : Animal
+
+- (void)fetch;
+
+@end
+
+@implementation Dog
+
+- (void)fetch {
+    [self speak];
+    NSLog(@"%@ fetches the ball!", self.name);
+}
+
+@end
+
+@protocol Base
+
+- (void)baseMethod;
+
+@end
+
+@protocol Derived <Base>
+
+- (void)derivedMethod;
+
+@end