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Diffstat (limited to 'src/dotnet-library/scala/PartiallyOrdered.scala')
| -rw-r--r-- | src/dotnet-library/scala/PartiallyOrdered.scala | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/src/dotnet-library/scala/PartiallyOrdered.scala b/src/dotnet-library/scala/PartiallyOrdered.scala deleted file mode 100644 index b4c86fedd8..0000000000 --- a/src/dotnet-library/scala/PartiallyOrdered.scala +++ /dev/null @@ -1,50 +0,0 @@ -/* __ *\ -** ________ ___ / / ___ Scala API ** -** / __/ __// _ | / / / _ | (c) 2003-2006, LAMP/EPFL ** -** __\ \/ /__/ __ |/ /__/ __ | ** -** /____/\___/_/ |_/____/_/ | | ** -** |/ ** -\* */ - -// $Id$ - - -package scala - -/** A class for partially ordered data. - * - * @author Martin Odersky - * @version 1.0, 23/04/2004 - */ -trait PartiallyOrdered[+a] { - - /** Result of comparing <code>this</code> with operand <code>that</code>. - * Returns <code>None</code> if operands are not comparable. - * If operands are comparable, returns <code>Some(x)</code> where - * <code>x < 0</code> iff <code>this < that</code> - * <code>x == 0</code> iff <code>this == that</code> - * <code>x > 0</code> iff <code>this > that</code> - */ - def tryCompareTo [b >: a <% PartiallyOrdered[b]](that: b): Option[int] - - def < [b >: a <% PartiallyOrdered[b]](that: b): boolean = - (this tryCompareTo that) match { - case Some(x) if x < 0 => true - case _ => false - } - def > [b >: a <% PartiallyOrdered[b]](that: b): boolean = - (this tryCompareTo that) match { - case Some(x) if x > 0 => true - case _ => false - } - def <= [b >: a <% PartiallyOrdered[b]](that: b): boolean = - (this tryCompareTo that) match { - case Some(x) if x <= 0 => true - case _ => false - } - def >= [b >: a <% PartiallyOrdered[b]](that: b): boolean = - (this tryCompareTo that) match { - case Some(x) if x >= 0 => true - case _ => false - } -} |