Scala Library Documentation
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scala/Some.scala
]
case final
class
Some[+A](val
x : A)
extends
Option[A]Some[A]
represents existing values of type
A
.Method Summary | |
override def
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equals (arg0 : Any) : Boolean |
def
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get
: A
get the value of this option.
@requires that the option is nonEmpty.
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override def
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hashCode : Int |
def
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isEmpty
: Boolean
True if the option is the
None value, false otherwise. |
override final def
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productArity
: Int
return k for a product
A(x_1,...,x_k)) |
override final def
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productElement
(arg0 : Int) : Any
for a case class
A(x_1,...,x_k)) , returns x_(i+1)
for 0 <= i < k |
override final def
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productPrefix
: java.lang.String
By default the empty string. Implementations may override this
method in order to prepend a string prefix to the result of the
toString methods.
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override def
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toString : java.lang.String |
Methods inherited from Option | |
isDefined, get, getOrElse, map, flatMap, filter, foreach, orElse, elements, toList |
Methods inherited from Product | |
element, arity |
Methods inherited from AnyRef | |
getClass, clone, notify, notifyAll, wait, wait, wait, finalize, ==, !=, eq, ne, synchronized |
Methods inherited from Any | |
==, !=, isInstanceOf, asInstanceOf |
Method Details |
def
isEmpty : Boolean
None
value, false otherwise.
def
get : A
override
def
hashCode : Int
override
def
toString : java.lang.String
override final
def
productPrefix : java.lang.String
override final
def
productArity : Int
A(x_1,...,x_k))
A(x_1,...,x_k))
, returns x_(i+1)
for 0 <= i < k
n -
the position of the n-th elementIndexOutOfBoundsException -
Scala Library Documentation
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