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validation-examples
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| object ModelXValidation { | |
| def validateMotor(motor: Motor): Boolean = | |
| motor.engine.fold(validateElecticEngine, validateCombustionEngine) | |
| def validateElectricEngine(engine: ElectricEngine): Boolean = engine match { | |
| case eh:HybridElectricEngine => false | |
| case ElectricEngine(coils) => expectedCoils.contains(coils) | |
| } | |
| def validateCombustionEngine(engine: CombustionEngine): Boolean = false | |
| val expectedCoils = Array(`1500Coils`, `1800Coils`) | |
| } |
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| object ModelXValidation2 { | |
| def validateMotor(motor: Motor2): Boolean = { | |
| if (motor.electricEngine.isEmpty && motor.combustionEngine.isEmpty) | |
| false | |
| else if (motor.combustionEngine.isDefined) | |
| false | |
| else | |
| motor.electricEngine match { | |
| Some(HybridElectricEngine(_, _)) => false | |
| Some(ElectricEngine(coils)) => expectedCoils.contains(coils) | |
| _ => false | |
| } | |
| } | |
| val expectedCoils = Array(`1500Coils`, `1800Coils`) | |
| } |
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