Type casting:
*Type Casting
Type Casting
suggest changeSyntax
let name = json["name"] as? String ?? ""// Output: johnlet name = json["name"] as? String // Output: Optional("john")let name = rank as? Int // Output: Optional(1)let name = rank as? Int ?? 0 // Output: 1let name = dictionary as? [String: Any] ?? [:] // Output: ["name" : "john", "subjects": ["Maths", "Science", "English", "C Language"]]
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