/* * Copyright 2026 Google LLC * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import Foundation public extension KeyedDecodingContainer { /// Decodes a value if present, returning `nil` if the key is missing or the value is null. /// /// The decoded type is inferred from the call site. func decodeIfPresent(_ key: Key) throws -> T? { try decodeIfPresent(T.self, forKey: key) } }