Companion object that facilitates the importing of PartialFunctionValues members as
an alternative to mixing it in. One use case is to import PartialFunctionValues's members so you can use
the valueAt method on PartialFunction 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 PartialFunctionValues._
import PartialFunctionValues._
scala> val pf: PartialFunction[String, Int] = Map("I" -> 1, "II" -> 2, "III" -> 3, "IV" -> 4)
pf: PartialFunction[String,Int] = Map(I -> 1, II -> 2, III -> 3, IV -> 4)
scala> pf("IV") should equal (4)
scala> pf("V") should equal (5)
java.util.NoSuchElementException: key not found: V
at scala.collection.MapLike$class.default(MapLike.scala:224)
at scala.collection.immutable.Map$Map4.default(Map.scala:167)
...
- Companion:
- class
Type members
Inherited classlikes
Wrapper class that adds a valueAt method to PartialFunction, allowing
you to make statements like:
Wrapper class that adds a valueAt method to PartialFunction, allowing
you to make statements like:
pf.valueAt("VI") should equal (6)
- Value parameters:
- pf
An
PartialFunctionto convert toValuable, which provides thevalueAtmethod.
- Inherited from:
- PartialFunctionValues
Implicits
Inherited implicits
implicit def convertPartialFunctionToValuable[A, B](pf: PartialFunction[A, B])(implicit pos: Position): Valuable[A, B]
Implicit conversion that adds a valueAt method to PartialFunction.
Implicit conversion that adds a valueAt method to PartialFunction.
- Value parameters:
- pf
the
PartialFunctionon which to add thevalueAtmethod
- Inherited from:
- PartialFunctionValues