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iboss-ptk/filter.scala

Created January 30, 2016 12:03
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filter.scala
val fourOrMoreRatingBooks = books
.filter(book => book.rating > 4.0)
.map(book => book.name)
// => List(The Pragmatic Programmer, Lean Startup,
// Agile Software Development, Principles, Patterns, and Practices, From Zero to One)
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