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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift Collections open source project
//
// Copyright (c) 2021 - 2024 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
//
//===----------------------------------------------------------------------===//
extension Deque: Encodable where Element: Encodable {
/// Encodes the elements of this deque into the given encoder in an unkeyed
/// container.
///
/// This function throws an error if any values are invalid for the given
/// encoder's format.
///
/// - Parameter encoder: The encoder to write data to.
@inlinable
public func encode(to encoder: Encoder) throws {
var container = encoder.unkeyedContainer()
for element in self {
try container.encode(element)
}
}
}
extension Deque: Decodable where Element: Decodable {
/// Creates a new deque by decoding from the given decoder.
///
/// This initializer throws an error if reading from the decoder fails, or
/// if the data read is corrupted or otherwise invalid.
///
/// - Parameter decoder: The decoder to read data from.
@inlinable
public init(from decoder: Decoder) throws {
self.init()
var container = try decoder.unkeyedContainer()
if let count = container.count {
self.reserveCapacity(count)
}
while !container.isAtEnd {
let element = try container.decode(Element.self)
self.append(element)
}
}
}
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