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-rw-r--r-- | sources/scala/collection/immutable/Set.scala | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sources/scala/collection/immutable/Set.scala b/sources/scala/collection/immutable/Set.scala index 5f76065eb2..0b0339dc22 100644 --- a/sources/scala/collection/immutable/Set.scala +++ b/sources/scala/collection/immutable/Set.scala @@ -10,6 +10,14 @@ package scala.collection.immutable; +/** This trait represents immutable sets. Concrete set implementations + * just have to provide functionality for the abstract methods in + * <code>scala.collection.Set</code> as well as for <code>+</code> and + * <code>-</code>. + * + * @author Matthias Zenger + * @version 1.0, 19/07/2003 + */ trait Set[A, This <: Set[A, This]]: This with scala.collection.Set[A] { def +(elem: A): This; |