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Tagged Types
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| type Tagged[U] = { type Tag = U } | |
| type @@[T, U] = T with Tagged[U] | |
| trait NameTag | |
| trait SurnameTag | |
| type Name = String @@ NameTag | |
| type Surname = String @@ SurnameTag | |
| (...) | |
| val person = Person("manuel".asInstanceOf[Name], "Rodriguez".asInstanceOf[Surname]) |
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