Notification Center Detachment

An object should only remove itself as an observer in deinit

• Identifier: notification_center_detachment
• Enabled by default: Yes
• Supports autocorrection: No
• Kind: lint
• Analyzer rule: No
• Minimum Swift compiler version: 5.0.0
• Default configuration:

  Key	Value
  severity	warning

Non Triggering Examples

class Foo {
   deinit {
       NotificationCenter.default.removeObserver(self)
   }
}

class Foo {
   func bar() {
       NotificationCenter.default.removeObserver(otherObject)
   }
}

Triggering Examples

class Foo {
   func bar() {
       ↓NotificationCenter.default.removeObserver(self)
   }
}