pookjw

import CoreData

let model = NSManagedObjectModel()
let entity = NSEntityDescription()
entity.name = "Entity"
model.entities = [entity]

let coordinator = NSPersistentStoreCoordinator(managedObjectModel: model)
let storeURL = URL.temporaryDirectory.appending(component: UUID().uuidString).appendingPathExtension("sqlite")
let description = NSPersistentStoreDescription(url: storeURL)

pookjw

import CoreData

class Delegate: NSObject, NSFetchedResultsControllerDelegate {
    func controller(_ controller: NSFetchedResultsController<any NSFetchRequestResult>, didChangeContentWith diff: CollectionDifference<NSManagedObjectID>) {
    }
}

var delegate: Delegate!
var fetchedResultsController: NSFetchedResultsController<NSManagedObject>!
var token_1: (any NSObjectProtocol)!

pookjw

import CoreData

let c1 = NSManagedObjectContext(concurrencyType: .privateQueueConcurrencyType)
let c2 = NSManagedObjectContext(concurrencyType: .privateQueueConcurrencyType)

// 문제 없음
c1.performAndWait {
    c2.performAndWait {
        c1.performAndWait {
            

pookjw

import SwiftUI

@globalActor
actor MyActor {
    let queue = DispatchSerialQueue(label: "Test")
    nonisolated var unownedExecutor: UnownedSerialExecutor { queue.asUnownedSerialExecutor() }
    static let shared = MyActor()
    var count: Int = 0
    
    func binding() -> Binding<Int> {

pookjw

private import Foundation
private import _DarwinFoundation3.pthread

fileprivate final class Box<U> {
    let value: U
    init(value: U) {
        self.value = value
    }
}

pookjw

#import <Foundation/Foundation.h>
#import <AppleArchive/AppleArchive.h>

extern void * AAAssetExtractorCreate(const char *, void *, unsigned long);
extern int AAAssetExtractorSetParameterPtr(void *, int, void *);
extern int AAAssetExtractorSetParameterCallback(void *, int, void *);
extern void AAAssetBuilderDestroy(void *);
extern size_t AAAssetExtractorWrite(void *, void *, ssize_t);

BOOL foo(void) {

pookjw

#import "ViewController.h"
#include <objc/message.h>
#include <objc/runtime.h>

@interface MyLabel : UILabel
@end
@implementation MyLabel
- (void)willMoveToWindow:(UIWindow *)newWindow {
    [super willMoveToWindow:newWindow];
    if (newWindow == nil) {

pookjw

private import Darwin.POSIX.dlfcn
public import UIKit

/*
 expr -l objc -O -- [(Class)NSClassFromString(@"UIScene") _scenesIncludingInternal:0x1]
 expr -l objc -i0 -O -- [(Class)NSClassFromString(@"MRUIHelper") descriptionForWindow:(id)0x0]
 */

@_objcRuntimeName(__MRUIHeloper)
fileprivate final class MRUIHelper {

pookjw

#import <Foundation/Foundation.h>
#include <dlfcn.h>
#include <objc/message.h>
#include <objc/message.h>

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        {
            void *handle = dlopen("/System/Library/PrivateFrameworks/DiskImages2.framework/DiskImages2", RTLD_NOW);
            assert(handle != NULL);

pookjw

#import <Foundation/Foundation.h>

@interface FooObject : NSObject
@end
@implementation FooObject
- (NSString *)getTitle {
    abort();
}
- (NSString *)title {
    abort();