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author | Martin Odersky <odersky@gmail.com> | 2012-02-19 18:02:44 +0100 |
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committer | Martin Odersky <odersky@gmail.com> | 2012-02-19 18:03:19 +0100 |
commit | 64aaef72504b46b9d40359eb0476ad8416f36023 (patch) | |
tree | cb41068323ee789847e287a9caf6695856580f16 /test/files/run/Meter.scala | |
parent | 8cc7de74d35b437b7126d02a6219796b5872ac14 (diff) | |
download | scala-64aaef72504b46b9d40359eb0476ad8416f36023.tar.gz scala-64aaef72504b46b9d40359eb0476ad8416f36023.tar.bz2 scala-64aaef72504b46b9d40359eb0476ad8416f36023.zip |
Implemented super access in value classes, restrictions for value classes.
Diffstat (limited to 'test/files/run/Meter.scala')
-rw-r--r-- | test/files/run/Meter.scala | 55 |
1 files changed, 40 insertions, 15 deletions
diff --git a/test/files/run/Meter.scala b/test/files/run/Meter.scala index 936b8d98b7..42a3aac5f8 100644 --- a/test/files/run/Meter.scala +++ b/test/files/run/Meter.scala @@ -1,23 +1,46 @@ -class Meter(val underlying: Double) extends AnyVal with Printable { - def + (other: Meter): Meter = - new Meter(this.underlying + other.underlying) - def / (other: Meter): Double = this.underlying / other.underlying - def / (factor: Double): Meter = new Meter(this.underlying / factor) - def < (other: Meter): Boolean = this.underlying < other.underlying - override def toString: String = underlying.toString+"m" -} -object Meter extends (Double => Meter) { +package a { + class Meter(val underlying: Double) extends AnyVal with _root_.b.Printable { + def + (other: Meter): Meter = + new Meter(this.underlying + other.underlying) + def / (other: Meter): Double = this.underlying / other.underlying + def / (factor: Double): Meter = new Meter(this.underlying / factor) + def < (other: Meter): Boolean = this.underlying < other.underlying + def toFoot: Foot = new Foot(this.underlying * 0.3048) + override def print = { Console.print(">>>"); super.print; proprint } + override def toString: String = underlying.toString+"m" + } - def apply(x: Double): Meter = new Meter(x) + object Meter extends (Double => Meter) { + + def apply(x: Double): Meter = new Meter(x) - implicit val boxings = new BoxingConversions[Meter, Double] { - def box(x: Double) = new Meter(x) - def unbox(m: Meter) = m.underlying + implicit val boxings = new BoxingConversions[Meter, Double] { + def box(x: Double) = new Meter(x) + def unbox(m: Meter) = m.underlying + } } -} -trait Printable extends Any { def print: Unit = Console.print(this) } + class Foot(val unbox: Double) extends AnyVal { + def + (other: Foot): Foot = + new Foot(this.unbox + other.unbox) + override def toString = unbox.toString+"ft" + } + object Foot { + implicit val boxings = new BoxingConversions[Foot, Double] { + def box(x: Double) = new Foot(x) + def unbox(m: Foot) = m.unbox + } + } +} +package b { + trait Printable extends Any { + def print: Unit = Console.print(this) + protected def proprint = Console.print("<<<") + } +} +import a._ +import _root_.b._ object Test extends App { { @@ -72,6 +95,8 @@ object Test extends App { println(ys) val zs = arr map (_ / Meter(1)) println(zs) + val fs = arr map (_.toFoot) + println(fs) } } |