Exception Handling Question
I have a question regarding exception handling. Consider following Java code snippet. try{ //code }catch(SubSubException subsubex){ //code }catch(SubException subex){ //code }catch(Exception ex){ //code } I know this is the recommended way of handling exceptions. But I can achieve the same thing by using following code snippet. try{ //code }catch ( Exception ex){ if( ex instanceof SubException){ /
What is the Scala identifier "implicitly"?
I have seen a function named implicitly used in Scala examples. What is it, and how is it used? Example here: scala> sealed trait Foo[T] { def apply(list : List[T]) : Unit }; object Foo { | implicit def stringImpl = new Foo[String] { | def apply(list : List[String]) = println("String") | } | implicit def intImpl = new Foo[Int] { | def apply(list : List[Int]) = println("Int") | } | } ; def foo[A :
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