Swift is a general-purpose programming language thatâs approachable for newcomers and powerful for experts. It is fast, modern, safe, and a joy to write. struct Binomial: Codable { var genus: String var species: String var subspecies: String? } let tree = Binomial(genus: "Pin", species: "oak") let jsonData = try JSONEncoder().encode(tree) // {"genus":"Pin","species":"oak"} struct ScientificName {
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