Using unwrap images in project

UIImageExtension.swift

protocol AssetLoadable {
    
    var rawValue: String { get }
    func imageNamed() -> String
}

extension AssetLoadable {
    func imageNamed() -> String {
        return rawValue
    }
}

enum EmptyImages: String, AssetLoadable {
    
    case NoInternet = "empty_Internet"
    case NoItems = "empty_Items_icon"
}

extension UIImage {
    
    convenience init!(_ assetIdentifier: AssetLoadable) {
        self.init(named: assetIdentifier.imageNamed())
    }
}

//in project
//let image = UIImage(EmptyImages.NoInternet)