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Start your free trialMonika Kesarwani
5,851 Pointshelp in for fill in the blank
In the following JSON sample, the key "imdb_url" can occasionally be missing. Complete the init(from:) method to ensure that we account for missing data. let json = """ { "title": "Tomb Raider", "genre": "action", "imdb_url": "https://www.imdb.com/title/tt1365519" } """.data(using: .utf8)!
struct Movie: Codable { let title: String let genre: String let imdbUrl: String?
enum CodingKeys: String, CodingKey {
case title
case genre
case imdbUrl = "imdb_url"
}
init(from decoder: Decoder) throws {
let container = try decoder.container(keyedBy: CodingKeys.self)
self.title = try container.decode(String.self, forKey: .title)
self.genre = try container.decode(String.self, forKey: .genre)
self.imdbUrl = try
}
}
1 Answer
Raymond Choy
iOS Development with Swift Techdegree Graduate 11,187 PointsThis code passed for me:
container.decodeIfPresent(String.self, forKey: .imdbUrl)