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Scala example source code file (NewTypeUsage.scala)

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

Learn more about this Scala project at its project page.

Java - Scala tags/keywords

app, conjunction, disjunction, list, newtypeusage, tags

The NewTypeUsage.scala Scala example source code

package scalaz.example

object NewTypeUsage extends App {

  import scalaz._
  import std.anyVal.{booleanInstance, booleanDisjunctionNewTypeInstance, booleanConjunctionNewTypeInstance}
  import Tags.{Conjunction, Disjunction}
  import std.list.listInstance


  assert(!Tag.unwrap(Monoid[Boolean @@ Disjunction].zero))
  assert(Tag.unwrap(Monoid[Boolean @@ Conjunction].zero))

  val bools = List(true, false)

  val boolDisjunctions: List[Boolean @@ Disjunction] = Tag.subst(bools)

  val boolConjunctions: List[Boolean @@ Conjunction] = Tag.subst(bools)

Other Scala examples (source code examples)

Here is a short list of links related to this Scala NewTypeUsage.scala source code file:

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