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jakubjanecek/cse-intro-option.java

Created February 10, 2013 13:50
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cse-intro-option.java
String value = getValueFromDb("key") // possibly null
if (value != null) {
// continue
}
Raw
cse-intro-option.scala
val value: Option[String] = getValueFromDb("key")
if (value != None) {
// continue
}
value match {
case Some(v) => // continue
case None => // null case
}
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