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How can I use map and receive an index as well in Scala?
...ipWithIndex.foreach{ case (e, i) => println(i+" "+e) }
0 Mary
1 had
2 a
3 little
4 lamb
From: http://www.artima.com/forums/flat.jsp?forum=283&thread=243570
You also have variations like:
for((e,i) <- List("Mary", "had", "a", "little", "lamb").zipWithIndex) println(i+" "+e)
or:
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Should switch statements always contain a default clause?
...hat down the line code that accesses the variable doesn't raise an error.
3. To show someone reading your code that you've covered that case.
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edited Jan 25 '10 at 14:32
answered Jan 25 '10 at 14:02
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