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iOS

Posted by Ayman A.
Ayman A.
2,797 Points

Vending machine App code error with throw. Help please

class InventoryUnarchiver { static func vendingInventroy(fromDictionary dictionary: [String: AnyObject]) ->[VendingSelection: VendingItem]{

    var inventory: [VendingSelection: VendingItem] = [:]
    for (key, value ) in dictionary {
        if let itemDictionary = value as? [String: Any], let price = itemDictionary["price"] as? Double, let quantity = itemDictionary["quantity"] as? Int{
            let item = Item(price: price, quantity: quantity)

            guard let selection = VendingSelection(rawValue: key) else {
                throw InventoryError.invalidSelection
            }

            inventory.updateValue (item, forKey: selection)
    }



    }
    return inventory
}

}

/// error says: Error is not handled because the enclosing function is not declared 'throws'