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## Data Classes (#2)
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2020-05-12 19:08:29 +03:00
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Create an extension function called `transferTicket()` that copies an
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`AirlineTicket` object, replacing `firstName` and `lastName` with the new
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values during the copy:
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2020-05-12 19:08:29 +03:00
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```kotlin
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fun AirlineTicket.transferTicket(
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otherFirstName: String,
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otherLastName: String
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): AirlineTicket
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```
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