| implicit val optionInt: Option[Int] = Some(1) | |
| implicit val optionBoolean: Option[Boolean] = Some(true) | |
| def getImplicitOptionInt(implicit oInt: Option[Int]): Int = oInt.get | |
| def getImplicitOptionBoolean(implicit oBoolean: Option[Boolean]): Boolean = oBoolean.get | |
| getImplicitOptionInt | |
| getImplicitOptionBoolean | |
| def getImplicitlyOptionA[A: Option]: A = implicitly[Option[A]].get | |
| getImplicitlyOptionA[Int] | |
| getImplicitlyOptionA[Boolean] | |
| trait Parent { | |
| def sayHello: String | |
| } | |
| trait Son extends Parent { | |
| override def sayHello: String = "Hello! I'm Son!" | |
| } | |
| trait Daughter extends Parent { | |
| override def sayHello: String = "Hello! I'm Daughter!" | |
| } | |
| def sayHello[A <: Parent](a: A): Unit = println(a.sayHello) | |
| sayHello(new Son {}) | |
| sayHello(new Daughter {}) |
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