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debasishg/gist:706149

Created November 19, 2010 05:18
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gistfile1.scala
scala> import collection.mutable._
scala> val m = new HashMap[Int, Set[String]] with MultiMap[Int, String]
m: scala.collection.mutable.HashMap[Int,scala.collection.mutable.Set[String]] with scala.collection.mutable.MultiMap[Int,String] = Map()
scala> m += ((1, Set("rc", "tb")))
res10: m.type = Map((1,Set(tb, rc)))
scala> m += ((2, Set("tb")))
res11: m.type = Map((2,Set(tb)), (1,Set(tb, rc)))
scala> m addBinding(1, "xy")
res12: m.type = Map((2,Set(tb)), (1,Set(tb, rc, xy)))
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