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Alex Rivera
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I noticed that Scala provide lazy vals . But I don't get what they do. scala> val x = 15 x: Int = 15 scala> lazy val y = 13 y: Int = <lazy> scala> x res0: Int = 15 scala> y res1: Int = 13 The REPL shows that y is a lazy val , but how is it different from a normal val ?
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