Combine assign method without the memory leak

assignNoRetain.swift

extension Publisher where Self.Failure == Never {
    public func assignNoRetain<Root>(to keyPath: ReferenceWritableKeyPath<Root, Self.Output>, on object: Root) -> AnyCancellable where Root: AnyObject {
        sink { [weak object] (value) in
            object?[keyPath: keyPath] = value
        }
    }
}