Created
May 2, 2020 03:43
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| import Foundation | |
| struct S<T> { | |
| let elements: [T] | |
| } | |
| extension S: Decodable where T: Decodable { | |
| init(from decoder: Decoder) throws { | |
| let container = try decoder.unkeyedContainer() | |
| let s = sequence(state: container, next: { | |
| $0.isAtEnd ? nil : try? $0.decode(T.self) | |
| }) | |
| self.init(elements: Array(s)) | |
| } | |
| } | |
| let json = """ | |
| [1, 2, 3, 4, 5, 6, 7, 8, 9] | |
| """.data(using: .utf8)! | |
| let result = try JSONDecoder().decode(S<Int>.self, from: json) | |
| print(result) |
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