RetainCycleExample

RetainCycleExample

Issue

class BankAccount {
 var owner: Owner?
 init() {
 
 }
}
class Owner {
 var account: BankAccount?
 init() {
 
 }
}
let bankAccount = BankAccount()
let owner = Owner()
bankAccount.owner = owner
owner.account = bankAccount

Fix

var owner: Owner?

weak var owner: Owner?

RetainCycleExample2

Issue

lazy var configureCell: (UITableViewCell)->() = { cell in
 if let tableViewCell = cell as? TableViewCell {
 tableViewCell.title?.text = self.name
 }
}

Fix

lazy var configureCell: (UITableViewCell)->() = { cell in

lazy var configureCell: (UITableViewCell)->() = { [unowned self] cell in

RetainCycleExample3

Issue

var delegate: TableViewCellDelegate?

Fix

var delegate: TableViewCellDelegate?

weak var delegate: TableViewCellDelegate?