diff options
Diffstat (limited to 'src/library/scala/collection/mutable/Map.scala')
| -rw-r--r-- | src/library/scala/collection/mutable/Map.scala | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/src/library/scala/collection/mutable/Map.scala b/src/library/scala/collection/mutable/Map.scala index 2ac3cb65b5..460a8b8f77 100644 --- a/src/library/scala/collection/mutable/Map.scala +++ b/src/library/scala/collection/mutable/Map.scala @@ -20,15 +20,15 @@ import generic._ * @since 1.0 * @author Matthias Zenger */ -trait Map[A, B] - extends Iterable[(A, B)] -// with GenMap[A, B] - with scala.collection.Map[A, B] - with MapLike[A, B, Map[A, B]] { +trait Map[K, V] + extends Iterable[(K, V)] +// with GenMap[K, V] + with scala.collection.Map[K, V] + with MapLike[K, V, Map[K, V]] { - override def empty: Map[A, B] = Map.empty + override def empty: Map[K, V] = Map.empty - override def seq: Map[A, B] = this + override def seq: Map[K, V] = this /** The same map with a given default function. * @@ -37,7 +37,7 @@ trait Map[A, B] * @param d the function mapping keys to values, used for non-present keys * @return a wrapper of the map with a default value */ - def withDefault(d: A => B): mutable.Map[A, B] = new Map.WithDefault[A, B](this, d) + def withDefault(d: K => V): mutable.Map[K, V] = new Map.WithDefault[K, V](this, d) /** The same map with a given default value. * @@ -46,7 +46,7 @@ trait Map[A, B] * @param d default value used for non-present keys * @return a wrapper of the map with a default value */ - def withDefaultValue(d: B): mutable.Map[A, B] = new Map.WithDefault[A, B](this, x => d) + def withDefaultValue(d: V): mutable.Map[K, V] = new Map.WithDefault[K, V](this, x => d) } /** $factoryInfo @@ -56,25 +56,25 @@ trait Map[A, B] */ object Map extends MutableMapFactory[Map] { /** $canBuildFromInfo */ - implicit def canBuildFrom[A, B]: CanBuildFrom[Coll, (A, B), Map[A, B]] = new MapCanBuildFrom[A, B] + implicit def canBuildFrom[K, V]: CanBuildFrom[Coll, (K, V), Map[K, V]] = new MapCanBuildFrom[K, V] - def empty[A, B]: Map[A, B] = new HashMap[A, B] + def empty[K, V]: Map[K, V] = new HashMap[K, V] - class WithDefault[A, B](underlying: Map[A, B], d: A => B) extends scala.collection.Map.WithDefault(underlying, d) with Map[A, B] { - override def += (kv: (A, B)) = {underlying += kv; this} - def -= (key: A) = {underlying -= key; this} + class WithDefault[K, V](underlying: Map[K, V], d: K => V) extends scala.collection.Map.WithDefault(underlying, d) with Map[K, V] { + override def += (kv: (K, V)) = {underlying += kv; this} + def -= (key: K) = {underlying -= key; this} override def empty = new WithDefault(underlying.empty, d) - override def updated[B1 >: B](key: A, value: B1): WithDefault[A, B1] = new WithDefault[A, B1](underlying.updated[B1](key, value), d) - override def + [B1 >: B](kv: (A, B1)): WithDefault[A, B1] = updated(kv._1, kv._2) - override def - (key: A): WithDefault[A, B] = new WithDefault(underlying - key, d) + override def updated[V1 >: V](key: K, value: V1): WithDefault[K, V1] = new WithDefault[K, V1](underlying.updated[V1](key, value), d) + override def + [V1 >: V](kv: (K, V1)): WithDefault[K, V1] = updated(kv._1, kv._2) + override def - (key: K): WithDefault[K, V] = new WithDefault(underlying - key, d) /** If these methods aren't overridden to thread through the underlying map, * successive calls to withDefault* have no effect. */ - override def withDefault(d: A => B): mutable.Map[A, B] = new WithDefault[A, B](underlying, d) - override def withDefaultValue(d: B): mutable.Map[A, B] = new WithDefault[A, B](underlying, x => d) + override def withDefault(d: K => V): mutable.Map[K, V] = new WithDefault[K, V](underlying, d) + override def withDefaultValue(d: V): mutable.Map[K, V] = new WithDefault[K, V](underlying, x => d) } } /** Explicit instantiation of the `Map` trait to reduce class file size in subclasses. */ -abstract class AbstractMap[A, B] extends scala.collection.AbstractMap[A, B] with Map[A, B] +abstract class AbstractMap[K, V] extends scala.collection.AbstractMap[K, V] with Map[K, V] |