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Scala example source code file (t3731.scala)

This example Scala source code file (t3731.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Scala tags/keywords

m, m, stream, t, t, t=stream, test, zipwith, zipwith, zw, zw

The Scala t3731.scala source code

object Test{
  trait ZW[S]{type T}
  def ZipWith[S, M <: ZW[S]]: M#T = error("ZW")

  // meh must be parameterised to force an asSeenFrom that 
  // duplicates the refinement in the TR's pre without updating its sym
  def meh[A] = ZipWith[A, ZW[A]{type T=Stream[A]}]

  meh[Int]: Stream[Int]
// debugging output in coevolveSym should say:
// coevolved type T#11029 : Stream#3234[A#9228] to type T#11277 : Stream#3234[A#9227]
// with Test.ZW#9219[A#9228]{type T#11029 = Stream#3234[A#9228]} -> Test.ZW#9219[A#9227]{type T#11277 = Stream#3234[A#9227]}

Other Scala examples (source code examples)

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my book on functional programming


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