diff options
Diffstat (limited to 'src/library/scalax/collection/immutable/Map.scala')
-rwxr-xr-x | src/library/scalax/collection/immutable/Map.scala | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/src/library/scalax/collection/immutable/Map.scala b/src/library/scalax/collection/immutable/Map.scala deleted file mode 100755 index 923866fb8e..0000000000 --- a/src/library/scalax/collection/immutable/Map.scala +++ /dev/null @@ -1,66 +0,0 @@ -/* __ *\ -** ________ ___ / / ___ Scala API ** -** / __/ __// _ | / / / _ | (c) 2003-2009, LAMP/EPFL ** -** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ ** -** /____/\___/_/ |_/____/_/ | | ** -** |/ ** -\* */ - -// $Id: Set.scala 16893 2009-01-13 13:09:22Z cunei $ - - -package scalax.collection.immutable - -import generic._ - -object Map extends MapFactory[Map] { - private val hashSeed = "Map".hashCode - def empty[A, B]: Map[A, B] = new EmptyMap[A, B] -} - -trait Map[A, B] extends MapTemplate[A, B, Map] with collection.Map[A, B] { self => - - def empty[B]: Map[A, B] = new EmptyMap[A, B] - - /** The same map with a given default function */ - def withDefault(d: A => B): Map[A, B] = new Map[A, B] { - def size = self.size - def get(key: A) = self.get(key) - def elements = self.elements - override def empty[C] = self.empty - def update (key: A, value: B): Map[A, B] = - self update (key, value) withDefault d - def - (key: A): Map[A, B] = - self - key withDefault d - override def default(key: A): B = d(key) - } - - /** The same map with a given default value */ - def withDefaultValue(d: B): Map[A, B] = withDefault(x => d) - - /** Compares this set with another object and returns true, iff the - * other object is also a set which contains the same elements as - * this set. - * - * @param that the other object - * @note not necessarily run-time type safe. - * @return <code>true</code> iff this set and the other set - * contain the same elements. - */ - override def equals(that: Any): Boolean = that match { - case other: Map[a, b] => - this.size == other.size && this.forall { - case (key, value) => other.get(key.asInstanceOf[a]) match { - case None => false - case Some(otherval) => value == otherval - } - } - case _ => false - } - - /** A hash method compatible with <code>equals</code> - */ - override def hashCode() = - (Map.hashSeed /: this) (_ * 41 + _.hashCode) - -} |