kabochappinote

   
 let item = itemArray[indexPath.row]

 if item.done == true {
     cell.accessoryType = .checkmark
 } else {
     cell.accessoryType = .none
 }

   // 上記を三項演算子にしたもの

 cell.accessoryType = item.done == true ? .checkmark : .none

   
 let item = itemArray[indexPath.row]
 item.done = !item.done