@swift-4.2.4
import Foundation enum Key: String, Decodable { case a, b, c } let json = """ { "a": "__a__", "b": "__b__", "c": "__c__" } """.data(using: .utf8)! do { print(try JSONDecoder().decode([String: String].self, from: json)) let ret = try JSONDecoder().decode([Key: String].self, from: json) print(ret) } catch { print(error) }
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