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author | Burak Emir <emir@epfl.ch> | 2007-01-24 15:20:25 +0000 |
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committer | Burak Emir <emir@epfl.ch> | 2007-01-24 15:20:25 +0000 |
commit | 0ef0f40ae31bf8a1e3d5b9c6eea7ef5b5a073192 (patch) | |
tree | 0bb95122566e05dcc1f81322f3a3740d2e1a81cd /test/files/pos/unapplyComplex.scala | |
parent | 1cbef2171c91fd0e001b4d0c1570c07017877044 (diff) | |
download | scala-0ef0f40ae31bf8a1e3d5b9c6eea7ef5b5a073192.tar.gz scala-0ef0f40ae31bf8a1e3d5b9c6eea7ef5b5a073192.tar.bz2 scala-0ef0f40ae31bf8a1e3d5b9c6eea7ef5b5a073192.zip |
moved working tests to files
Diffstat (limited to 'test/files/pos/unapplyComplex.scala')
-rw-r--r-- | test/files/pos/unapplyComplex.scala | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/files/pos/unapplyComplex.scala b/test/files/pos/unapplyComplex.scala new file mode 100644 index 0000000000..54080eb86f --- /dev/null +++ b/test/files/pos/unapplyComplex.scala @@ -0,0 +1,37 @@ +trait Complex extends Product2[double,double] + +class ComplexRect(val _1:double, val _2:double) extends Complex { + override def toString = "ComplexRect("+_1+","+_2+")" +} + +class ComplexPolar(val _1:double, val _2:double) extends Complex { + override def toString = "ComplexPolar("+_1+","+_2+")" +} + +object ComplexRect { + def unapply(z:Complex): Option[Complex] = { + if(z.isInstanceOf[ComplexRect]) Some(z) else z match { + case ComplexPolar(mod, arg) => + Some(new ComplexRect(mod*Math.cos(arg), mod*Math.sin(arg))) +} } } + +object ComplexPolar { + def unapply(z:Complex): Option[Complex] = { + if(z.isInstanceOf[ComplexPolar]) Some(z) else z match { + case ComplexRect(re,im) => + Some(new ComplexPolar(Math.sqrt(re*re + im*im), Math.atan(re/im))) +} } } + +object Test { + def main(args:Array[String]) = { + new ComplexRect(1,1) match { + case ComplexPolar(mod,arg) => // z @ ??? + Console.println("mod"+mod+"arg"+arg) + } + val Komplex = ComplexRect + new ComplexPolar(Math.sqrt(2),Math.Pi / 4.0) match { + case Komplex(re,im) => // z @ ??? + Console.println("re"+re+" im"+im) + } + } +} |