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izmailoff/Function_composition_in_scala_example.scala

Created September 29, 2016 05:59
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One of the ways to compose functions
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Function_composition_in_scala_example.scala
val add1 = (x: Int) => x + 1
val add100 = (x: Int) => x + 100
val square = (x: Int) => x * x
val allFunctions = List(add1, add100, square)
List(1, 2, 3) map ( allFunctions reduce (_ andThen _) )
// ((1 + 1) + 100) ^ 2 = 102^2 = 10404
//> List(10404, 10609, 10816)
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