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Scala example source code file (NameNeedValueUsage.scala)
The NameNeedValueUsage.scala Scala example source codepackage scalaz.example object NameNeedValueUsage extends App { import scalaz._ def undefined = sys.error("!!") class Inc { var i = 0 def apply(): Int = { i += 1 i } } Need(undefined) Name(undefined) { val inc = new Inc val n = Name(inc.apply()) assert(n.value == 1) assert(n.value == 2) } { val inc = new Inc val n = Need(inc.apply()) assert(n.value == 1) assert(n.value == 1) } { val inc = new Inc val n = Value(inc.apply()) assert(n.value == 1) assert(n.value == 1) } { import Name.name._ val inc = new Inc assert(bind(Name(inc.apply()))(x => Name(x)).value == 1) } { import Need.need._ val inc = new Inc assert(bind(Need(inc.apply()))(x => Need(x)).value == 1) } } Other Scala examples (source code examples)Here is a short list of links related to this Scala NameNeedValueUsage.scala source code file: |
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