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Scala Library Documentation
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scala/collection/jcl/Map.scala]
protected
class
KeySet
extends Set[K]| Method Summary | |
override def
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add
(k : K) : Boolean
Add will return false if "a" already exists in the set.
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override def
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elements
: MutableIterator[K]
Creates a new iterator over all elements contained in this
object.
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override def
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has (k : K) : Boolean |
override def
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size
: Int
Returns the number of elements in this set.
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| Methods inherited from Set | |
| ++, --, +, -, retain, isEmpty, contains, clear, subsetOf, transform, projection |
| Methods inherited from Set | |
| update, +=, ++=, ++=, +, ++, incl, -=, --=, --=, -, --, excl, intersect, <<, clone, readOnly |
| Methods inherited from Set | |
| apply, equals, hashCode, toArray |
| Methods inherited from Function1 | |
| toString, compose, andThen |
| Methods inherited from Collection | |
| hasAll, addAll, -=, += |
| Methods inherited from MutableIterable | |
| remove, removeAll, retainAll, size0 |
| Methods inherited from Collection | |
| 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 |
| Method Details |
override
def
size : Int
override
def
elements : MutableIterator[K]
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Scala Library Documentation
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