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Diffstat (limited to 'sources/scala/collection/Map.scala')
| -rw-r--r-- | sources/scala/collection/Map.scala | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/sources/scala/collection/Map.scala b/sources/scala/collection/Map.scala index 049f4a6998..f0b4788161 100644 --- a/sources/scala/collection/Map.scala +++ b/sources/scala/collection/Map.scala @@ -7,9 +7,22 @@ ** $Id$ \* */ -package scala; +package scala.collection; -/** I promise, there will be some documentation soon! :-) Matthias + +/** This trait defines the interface of collections that unambiguously map + * keys to values (i.e. a key is mapped to at least one value). + * Trait <code>Map</code> may only be used for + * accessing elements from map implementations. Two different extensions + * of trait <code>Map</code> in the package <code>scala.collections.mutable</code> + * and <code>scala.collections.immutable</code> provide functionality for + * adding new key/value mappings to a map. The trait in the first package is + * implemented by maps that are modified destructively, whereas the trait in + * the second package is used by functional map implementations that rely on + * immutable data structures. + * + * @author Matthias Zenger + * @version 1.0, 08/07/2003 */ trait Map[A, +B] with PartialFunction[A, B] with Iterable[Pair[A, B]] { |