ios 其他内存

// 示例代码：避免循环引用导致的内存泄漏
class MyClass {
    var otherObject: OtherClass?
    
    deinit {
        print("MyClass is being deinitialized")
    }
}

class OtherClass {
    weak var myObject: MyClass?
    
    deinit {
        print("OtherClass is being deinitialized")
    }
}

import Foundation

class ImageCache {
    private let cache = NSCache<NSString, UIImage>()
    
    func setImage(_ image: UIImage, forKey key: String) {
        cache.setObject(image, forKey: key as NSString)
    }
    
    func image(forKey key: String) -> UIImage? {
        return cache.object(forKey: key as NSString)
    }
    
    // 可以设置缓存的最大容量
    func setMaxCost(_ cost: Int) {
        cache.totalCostLimit = cost
    }
}