scala.collection.jcl.Map

class Filter

[source: scala/collection/jcl/Map.scala]

protected class Filter(p : (K) => Boolean)
extends Map[K, E]
Direct Known Subclasses:
SortedMap.SuperFilter

Method Summary
override def contains (key : K) : Boolean
Is the given key mapped to a value by this map?
override def elements : MutableIterator[(K, E)]
Creates a new iterator over all elements contained in this object.
override def get (key : K) : Option[E]
Check if this map maps key to a value and return the value if it exists.
override def put (key : K, elem : E) : Option[E]
override def remove (key : K) : Option[E]
override def size : Int
Compute the number of key-to-value mappings.
Methods inherited from Map
clear, isEmpty, keySet, keys, valueSet, putAll, has, update, +, +=, -, -=, projection, lense
Methods inherited from Map
+=, ++=, ++=, +, ++, ++, -=, --=, --=, -, --, --, getOrElseUpdate, transform, retain, <<, clone, +=, incl, excl
Methods inherited from Map
getOrElse, apply, isDefinedAt, values, equals, hashCode, toString, default
Methods inherited from PartialFunction
orElse, andThen
Methods inherited from Function1
compose
Methods inherited from MutableIterable
remove, removeAll, --, -, retain, retainAll, size0
Methods inherited from Collection
toArray, stringPrefix
Methods inherited from Iterable
concat, ++, map, flatMap, filter, takeWhile, dropWhile, take, drop, foreach, forall, exists, find, findIndexOf, indexOf, foldLeft, foldRight, /:, :\, reduceLeft, reduceRight, copyToBuffer, sameElements, toList, mkString, mkString, addString, addString, copyToArray, hasDefiniteSize
Methods inherited from AnyRef
getClass, notify, notifyAll, wait, wait, wait, finalize, ==, !=, eq, ne, synchronized
Methods inherited from Any
==, !=, isInstanceOf, asInstanceOf
Class Summary
class Projection extends Projection
Method Details
override def elements : MutableIterator[(K, E)]
Creates a new iterator over all elements contained in this object.
Returns
the new iterator
Overrides
Map.elements

override def remove(key : K) : Option[E]
Overrides
Map.remove

override def contains(key : K) : Boolean
Is the given key mapped to a value by this map?
Parameters
key - the key
Returns
true iff there is a mapping for key in this map

override def put(key : K, elem : E) : Option[E]
Overrides
Map.put

override def get(key : K) : Option[E]
Check if this map maps key to a value and return the value if it exists.
Parameters
key - the key of the mapping of interest
Returns
the value of the mapping, if it exists
Overrides
Map.get

override def size : Int
Compute the number of key-to-value mappings.
Returns
the number of mappings