A type that provides a view into a decoder’s storage and is used to hold the encoded properties of a decodable type in a keyed manner.
protocol KeyedDecodingContainerProtocolDecoders should provide types conforming to UnkeyedDecodingContainer for their format.
import Swiftassociatedtype Key : CodingKeyvar allKeys: [Self.Key] { get }All the keys the Decoder has for this container.
var codingPath: [any CodingKey] { get }The path of coding keys taken to get to this point in decoding.
func contains(_ key: Self.Key) -> Bool Returns a Boolean value indicating whether the decoder contains a value associated with the given key.
func decode(_ type: String.Type, forKey key: Self.Key) throws -> String Decodes a value of the given type for the given key.
func decode(_ type: Bool.Type, forKey key: Self.Key) throws -> Bool Decodes a value of the given type for the given key.
func decode(_ type: Double.Type, forKey key: Self.Key) throws -> Double Decodes a value of the given type for the given key.
func decode(_ type: Float.Type, forKey key: Self.Key) throws -> Float Decodes a value of the given type for the given key.
func decode(_ type: Int.Type, forKey key: Self.Key) throws -> Int Decodes a value of the given type for the given key.
func decode(_ type: UInt.Type, forKey key: Self.Key) throws -> UInt Decodes a value of the given type for the given key.
func decode<T>(_ type: T.Type, forKey key: Self.Key) throws -> T where T : Decodable Decodes a value of the given type for the given key.
func decode(_ type: Int8.Type, forKey key: Self.Key) throws -> Int8 Decodes a value of the given type for the given key.
func decode(_ type: Int16.Type, forKey key: Self.Key) throws -> Int16 Decodes a value of the given type for the given key.
func decode(_ type: Int32.Type, forKey key: Self.Key) throws -> Int32 Decodes a value of the given type for the given key.
func decode(_ type: Int64.Type, forKey key: Self.Key) throws -> Int64 Decodes a value of the given type for the given key.
func decode(_ type: UInt8.Type, forKey key: Self.Key) throws -> UInt8 Decodes a value of the given type for the given key.
func decode(_ type: Int128.Type, forKey key: Self.Key) throws -> Int128 Decodes a value of the given type for the given key.
func decode(_ type: UInt16.Type, forKey key: Self.Key) throws -> UInt16 Decodes a value of the given type for the given key.
func decode(_ type: UInt32.Type, forKey key: Self.Key) throws -> UInt32 Decodes a value of the given type for the given key.
func decode(_ type: UInt64.Type, forKey key: Self.Key) throws -> UInt64 Decodes a value of the given type for the given key.
func decode(_ type: UInt128.Type, forKey key: Self.Key) throws -> UInt128 Decodes a value of the given type for the given key.
func decodeIfPresent(_ type: String.Type, forKey key: Self.Key) throws -> String? Decodes a value of the given type for the given key, if present.
func decodeIfPresent(_ type: Bool.Type, forKey key: Self.Key) throws -> Bool? Decodes a value of the given type for the given key, if present.
func decodeIfPresent(_ type: Double.Type, forKey key: Self.Key) throws -> Double? Decodes a value of the given type for the given key, if present.
func decodeIfPresent(_ type: Float.Type, forKey key: Self.Key) throws -> Float? Decodes a value of the given type for the given key, if present.
func decodeIfPresent(_ type: Int.Type, forKey key: Self.Key) throws -> Int? Decodes a value of the given type for the given key, if present.
func decodeIfPresent(_ type: UInt.Type, forKey key: Self.Key) throws -> UInt? Decodes a value of the given type for the given key, if present.
func decodeIfPresent<T>(_ type: T.Type, forKey key: Self.Key) throws -> T? where T : Decodable Decodes a value of the given type for the given key, if present.
func decodeIfPresent(_ type: Int8.Type, forKey key: Self.Key) throws -> Int8? Decodes a value of the given type for the given key, if present.
func decodeIfPresent(_ type: Int16.Type, forKey key: Self.Key) throws -> Int16? Decodes a value of the given type for the given key, if present.
func decodeIfPresent(_ type: Int32.Type, forKey key: Self.Key) throws -> Int32? Decodes a value of the given type for the given key, if present.
func decodeIfPresent(_ type: Int64.Type, forKey key: Self.Key) throws -> Int64? Decodes a value of the given type for the given key, if present.
func decodeIfPresent(_ type: UInt8.Type, forKey key: Self.Key) throws -> UInt8? Decodes a value of the given type for the given key, if present.
func decodeIfPresent(_ type: Int128.Type, forKey key: Self.Key) throws -> Int128? Decodes a value of the given type for the given key, if present.
func decodeIfPresent(_ type: UInt16.Type, forKey key: Self.Key) throws -> UInt16? Decodes a value of the given type for the given key, if present.
func decodeIfPresent(_ type: UInt32.Type, forKey key: Self.Key) throws -> UInt32? Decodes a value of the given type for the given key, if present.
func decodeIfPresent(_ type: UInt64.Type, forKey key: Self.Key) throws -> UInt64? Decodes a value of the given type for the given key, if present.
func decodeIfPresent(_ type: UInt128.Type, forKey key: Self.Key) throws -> UInt128? Decodes a value of the given type for the given key, if present.
func decodeNil(forKey key: Self.Key) throws -> Bool Decodes a null value for the given key.
func nestedContainer<NestedKey>(keyedBy type: NestedKey.Type, forKey key: Self.Key) throws -> KeyedDecodingContainer<NestedKey> where NestedKey : CodingKey Returns the data stored for the given key as represented in a container keyed by the given key type.
func nestedUnkeyedContainer(forKey key: Self.Key) throws -> any UnkeyedDecodingContainer Returns the data stored for the given key as represented in an unkeyed container.
func superDecoder() throws -> any Decoder Returns a Decoder instance for decoding super from the container associated with the default super key.
func superDecoder(forKey key: Self.Key) throws -> any Decoder Returns a Decoder instance for decoding super from the container associated with the given key.
func decode(_ type: Int128.Type, forKey key: Self.Key) throws -> Int128 func decode(_ type: UInt128.Type, forKey key: Self.Key) throws -> UInt128 func decodeIfPresent(_ type: String.Type, forKey key: Self.Key) throws -> String? func decodeIfPresent(_ type: Bool.Type, forKey key: Self.Key) throws -> Bool? func decodeIfPresent(_ type: Double.Type, forKey key: Self.Key) throws -> Double? func decodeIfPresent(_ type: Float.Type, forKey key: Self.Key) throws -> Float? func decodeIfPresent(_ type: Int.Type, forKey key: Self.Key) throws -> Int? func decodeIfPresent(_ type: UInt.Type, forKey key: Self.Key) throws -> UInt? func decodeIfPresent<T>(_ type: T.Type, forKey key: Self.Key) throws -> T? where T : Decodable func decodeIfPresent(_ type: Int8.Type, forKey key: Self.Key) throws -> Int8? func decodeIfPresent(_ type: Int16.Type, forKey key: Self.Key) throws -> Int16? func decodeIfPresent(_ type: Int32.Type, forKey key: Self.Key) throws -> Int32? func decodeIfPresent(_ type: Int64.Type, forKey key: Self.Key) throws -> Int64? func decodeIfPresent(_ type: UInt8.Type, forKey key: Self.Key) throws -> UInt8? func decodeIfPresent(_ type: Int128.Type, forKey key: Self.Key) throws -> Int128? func decodeIfPresent(_ type: UInt16.Type, forKey key: Self.Key) throws -> UInt16? func decodeIfPresent(_ type: UInt32.Type, forKey key: Self.Key) throws -> UInt32? func decodeIfPresent(_ type: UInt64.Type, forKey key: Self.Key) throws -> UInt64? func decodeIfPresent(_ type: UInt128.Type, forKey key: Self.Key) throws -> UInt128?