akka.japi.pf.CaseStatements.scala Maven / Gradle / Ivy
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/**
* Copyright (C) 2009-2016 Lightbend Inc.
*/
package akka.japi.pf
import FI.{ UnitApply, Apply, Predicate }
private[pf] object CaseStatement {
def empty[F, T](): PartialFunction[F, T] = PartialFunction.empty
}
private[pf] class CaseStatement[-F, +P, T](predicate: Predicate, apply: Apply[P, T])
extends PartialFunction[F, T] {
override def isDefinedAt(o: F) = predicate.defined(o)
override def apply(o: F) = apply.apply(o.asInstanceOf[P])
}
private[pf] class UnitCaseStatement[F, P](predicate: Predicate, apply: UnitApply[P])
extends PartialFunction[F, Unit] {
override def isDefinedAt(o: F) = predicate.defined(o)
override def apply(o: F) = apply.apply(o.asInstanceOf[P])
}