Created
May 14, 2020 04:13
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| trait Perishable { | |
| def expired: Boolean | |
| } | |
| case class Baguette() extends Perishable { | |
| def expired: Boolean = ??? | |
| } | |
| case class Croissant() extends Perishable { | |
| def expired: Boolean = ??? | |
| } |
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