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dirkmc/scala-list-map.markdown

Created December 22, 2011 08:47
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Scala List map
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scala-list-map.markdown

Use List.map() to transform a list of elements into another list:

val fruitPics = List("banana.jpg", "orange.jpg", "strawberry.jpg", "apple.jpg")
val fileSizes = fruitPics.map(fruit => new java.io.File(parentDir, fruit).length)
// fileSizes: List(12321423, 643423, 234233, 2342343)
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