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Scala 2.3.1
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sealed abstract
class
Option
[A]
extends
java.lang.Object
with
scala.Iterable[A]
with
scala.Product
with
scala.ScalaObject
Option
are either instances of case class Some
or it is case
object None
.Constructor Summary | |
def
this
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Def Summary | |
def
elements
: scala.Iterator[A]
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def
filter
(p: (A) => scala.Boolean)
: scala.Option[A]
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def
flatMap
[B]
(f: (A) => scala.Option[B])
: scala.Option[B]
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override
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def
foreach
(f: (A) => scala.Unit)
: scala.Unit
|
def
get
: A
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def
get
[B >: A]
(default: B)
: B
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def
isEmpty
: scala.Boolean
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def
map
[B]
(f: (A) => B)
: scala.Option[B]
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override
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def
toList
: scala.List[A]
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Def inherited from scala.Iterable[A] | |
/: , :\, concat, elements, exists, find, findIndexOf, foldLeft, foldRight, forall, foreach, indexOf, sameElements, toList |
Def inherited from scala.Product | |
arity , element, productPrefix |
Constructor Detail |
Def Detail |
def
elements
: scala.Iterator[A]
def
filter
(p: (A) => scala.Boolean): scala.Option[A]
def
flatMap
[B](f: (A) => scala.Option[B]): scala.Option[B]
override
def
foreach
(f: (A) => scala.Unit): scala.Unit
def
get
: A
Predef.NoSuchElementException -
def
isEmpty
: scala.Boolean
def
map
[B](f: (A) => B): scala.Option[B]
override
def
toList
: scala.List[A]