minsOne
```swift import Foundation import DictionaryCoding /// Note: This relies on the DictionaryCoding package https://github.com/elegantchaos/DictionaryCoding struct QueryParamEncoder { func encode<T: Encodable>(_ item: T) throws -> String { let encoder = DictionaryEncoder() let encoded: [String: Any] = try encoder.encode(item) let queryParams = encodeDictionary(encoded) return "?\(queryParams)" } private func encodeDictionary(_ dictionary: [String: Any]) -> String { return dictionary .compactMap { (key, value) -> String? in if value is [String: Any] { if let dictionary = value as? [String: Any] { return encodeDictionary(dictionary) } } else { return "\(key)=\(value)" } return nil } .joined(separator: "&") } } ```