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October 7, 2018 15:48
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| class User { | |
| var name: String? | |
| var source: String? | |
| } | |
| let guest = User() | |
| guest.source = "Facebook" | |
| let newUser = guest | |
| newUser.name = "Medusa" | |
| print("guest name: \(guest.name)") | |
| print("newUser name: \(newUser.name)") | |
| print("\(newUser.name == guest.name)") |
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