com.twitter.util

Try

object Try

The Try type represents a computation that may either result in an exception or return a success value. It is analogous to the Either type but encodes common idioms for handling exceptional cases (such as rescue/ensure which is analogous to try/finally).

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Type Members

  1. implicit final class OrThrow[A] extends AnyVal

  2. case class PredicateDoesNotObtain() extends Exception with Product with Serializable

Value Members

  1. final def !=(arg0: AnyRef): Boolean

    Definition Classes
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  2. final def !=(arg0: Any): Boolean

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  3. final def ##(): Int

    Definition Classes
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  4. final def ==(arg0: AnyRef): Boolean

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  5. final def ==(arg0: Any): Boolean

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  6. def apply[R](r: ⇒ R): Try[R]

  7. final def asInstanceOf[T0]: T0

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  8. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
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    Annotations
    @throws( ... )
  9. def collect[A](ts: Seq[Try[A]]): Try[Seq[A]]

    Collect the results from the given Trys into a new Try.

    Collect the results from the given Trys into a new Try. The result will be a Throw if any of the argument Trys are Throws. The first Throw in the Seq is the one which is surfaced.

  10. final def eq(arg0: AnyRef): Boolean

    Definition Classes
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  11. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any
  12. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
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    Annotations
    @throws( classOf[java.lang.Throwable] )
  13. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any
  14. def hashCode(): Int

    Definition Classes
    AnyRef → Any
  15. final def isInstanceOf[T0]: Boolean

    Definition Classes
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  16. final def ne(arg0: AnyRef): Boolean

    Definition Classes
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  17. final def notify(): Unit

    Definition Classes
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  18. final def notifyAll(): Unit

    Definition Classes
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  19. def orThrow[A](o: Option[A])(failure: () ⇒ Throwable): Try[A]

    Convert an scala.Option to a Try.

    Convert an scala.Option to a Try.

    For users from scala, there's also the implicit class OrThrow which allows

    import Try._
    Option(null).orThrow { new Exception("boom!") }
    o

    the Option to convert to a Try

    failure

    a function that returns the Throwable that should be returned if the option is None

  20. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
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  21. def toString(): String

    Definition Classes
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  22. final def wait(): Unit

    Definition Classes
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    @throws( ... )
  23. final def wait(arg0: Long, arg1: Int): Unit

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    @throws( ... )
  24. final def wait(arg0: Long): Unit

    Definition Classes
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    @throws( ... )
  25. def withFatals[R](r: ⇒ R)(f: PartialFunction[Throwable, Try[R]]): Try[R]

    Like Try.apply but allows the caller to specify a handler for fatal errors.

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