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update delegation pattern

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@ -193,9 +193,33 @@ class Adapter: Target {
## Delegation
Delegation is a design pattern that enables a class to hand off (or “delegate”) some of its responsibilities to an instance of another class.
### Example
Create a protocol
```swift
protocol SomeProtocol {
func reload()
}
```
Create a delegate
```swift
weak var delegate: SomeProtocol?
```
You can check the code using delegation pattern [here]()
- [Delegation in Swift Swift by Sundell](https://www.swiftbysundell.com/articles/delegation-in-swift/)
- [Delegation in Swift Explained](https://learnappmaking.com/delegation-swift-how-to/)
- [Delegation Pattern in Swift 5.1](https://medium.com/@nimjea/delegation-pattern-in-swift-4-2-f6aca61f4bf5)
## Dependency Injection
Dependency injection is a pattern that can be used to eliminate the need for singletons in a project