object OptionValues extends OptionValues
Companion object that facilitates the importing of OptionValues
members as
an alternative to mixing it in. One use case is to import OptionValues
's members so you can use
value
on option in the Scala interpreter:
$ scala -cp scalatest-1.7.jar Welcome to Scala version 2.9.1.final (Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_29). Type in expressions to have them evaluated. Type :help for more information. scala> import org.scalatest._ import org.scalatest._ scala> import matchers.Matchers._ import matchers.Matchers._ scala> import OptionValues._ import OptionValues._ scala> val opt1: Option[Int] = Some(1) opt1: Option[Int] = Some(1) scala> val opt2: Option[Int] = None opt2: Option[Int] = None scala> opt1.value should be < 10 scala> opt2.value should be < 10 org.scalatest.TestFailedException: The Option on which value was invoked was not defined. at org.scalatest.OptionValues$Valuable.value(OptionValues.scala:68) at .<init>(<console>:18) ...
- Source
- OptionValues.scala
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class
Valuable
[T] extends AnyRef
Wrapper class that adds a
value
method toOption
, allowing you to make statements like:Wrapper class that adds a
value
method toOption
, allowing you to make statements like:opt.value should be > 9
- Definition Classes
- OptionValues
Value Members
-
final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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-
final
def
==(arg0: Any): Boolean
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-
final
def
asInstanceOf[T0]: T0
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def
clone(): AnyRef
- Attributes
- protected[java.lang]
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- Annotations
- @throws( ... )
-
implicit
def
convertOptionToValuable[T](opt: Option[T])(implicit pos: Position): Valuable[T]
Implicit conversion that adds a
value
method toOption
.Implicit conversion that adds a
value
method toOption
.- opt
the
Option
on which to add thevalue
method
- Definition Classes
- OptionValues
-
final
def
eq(arg0: AnyRef): Boolean
- Definition Classes
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-
def
equals(arg0: Any): Boolean
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-
def
finalize(): Unit
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- protected[java.lang]
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- @throws( classOf[java.lang.Throwable] )
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final
def
getClass(): Class[_]
- Definition Classes
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-
def
hashCode(): Int
- Definition Classes
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final
def
isInstanceOf[T0]: Boolean
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final
def
ne(arg0: AnyRef): Boolean
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final
def
notify(): Unit
- Definition Classes
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final
def
notifyAll(): Unit
- Definition Classes
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final
def
synchronized[T0](arg0: ⇒ T0): T0
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def
toString(): String
- Definition Classes
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final
def
wait(): Unit
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- @throws( ... )
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final
def
wait(arg0: Long, arg1: Int): Unit
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- @throws( ... )
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final
def
wait(arg0: Long): Unit
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