What is the work of Yield Keyword in Scala?

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Can anyone explain how does yield keyword works in Scala?
Jul 26, 2019 in Apache Spark by Naina
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1 answer to this question.

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Hey,

Used with a loop, yield produces a value for each iteration. Another way to do is to use map/ flat Map and filter with nomads:

Here is an example:

scala> for(i<-1 to 4) yield i*3

The output will be:

scala.collection.immutable.IndexedSeq[Int] = Vector(3, 6, 9, 12)

answered Jul 26, 2019 by Gitika
• 29,610 points

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