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author | Martin Odersky <odersky@gmail.com> | 2007-06-05 15:57:59 +0000 |
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committer | Martin Odersky <odersky@gmail.com> | 2007-06-05 15:57:59 +0000 |
commit | e51207992f525ed9e32a7a9a39512b4d7e503c03 (patch) | |
tree | b9440d03aed294fde3f8aaa293f60ed98b5de0c1 /src/library/scala/collection/mutable/ObservableSet.scala | |
parent | e060c61b6127ceb2de0e4ce5d3f3d685bc542804 (diff) | |
download | scala-e51207992f525ed9e32a7a9a39512b4d7e503c03.tar.gz scala-e51207992f525ed9e32a7a9a39512b4d7e503c03.tar.bz2 scala-e51207992f525ed9e32a7a9a39512b4d7e503c03.zip |
deprecated &f, .f, requires.
Added existential types.
Diffstat (limited to 'src/library/scala/collection/mutable/ObservableSet.scala')
-rw-r--r-- | src/library/scala/collection/mutable/ObservableSet.scala | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/library/scala/collection/mutable/ObservableSet.scala b/src/library/scala/collection/mutable/ObservableSet.scala index 46140275c9..b2e63b29b1 100644 --- a/src/library/scala/collection/mutable/ObservableSet.scala +++ b/src/library/scala/collection/mutable/ObservableSet.scala @@ -20,11 +20,11 @@ package scala.collection.mutable * @author Matthias Zenger * @version 1.0, 08/07/2003 */ -trait ObservableSet[A, This <: ObservableSet[A, This]] requires This +trait ObservableSet[A, This <: ObservableSet[A, This]] extends Set[A] with Publisher[Message[A] with Undoable, This] -{ +{ self: This => abstract override def +=(elem: A): Unit = if (!contains(elem)) { super.+=(elem) |