Class scala.util.Failure

final case class Failure[+T](exception: Throwable) extends Try[T]

Inherited classlikes

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final class WithFilter(p: T => Boolean)

We need a whole WithFilter class to honor the "doesn't create a new collection" contract even though it seems unlikely to matter much in a collection with max size 1.

Concrete methods

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override def collect[U](pf: PartialFunction[T, U]): Try[U]

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override def failed: Try[Throwable]

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override def filter(p: T => Boolean): Try[T]

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override def flatMap[U](f: T => Try[U]): Try[U]

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override def flatten[U](implicit ev: T <:< Try[U]): Try[U]

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override def fold[U](fa: Throwable => U, fb: T => U): U

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override def foreach[U](f: T => U): Unit

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override def get: T

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override def getOrElse[U >: T](default: => U): U

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override def isFailure: Boolean

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override def isSuccess: Boolean

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override def map[U](f: T => U): Try[U]

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override def orElse[U >: T](default: => Try[U]): Try[U]

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override def recover[U >: T](pf: PartialFunction[Throwable, U]): Try[U]

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override def recoverWith[U >: T](pf: PartialFunction[Throwable, Try[U]]): Try[U]

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override def toEither: Either[Throwable, T]

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override def toOption: Option[T]

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override def transform[U](s: T => Try[U], f: Throwable => Try[U]): Try[U]

Inherited methods

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def productElementNames: Iterator[String]

An iterator over the names of all the elements of this product.

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def productIterator: Iterator[Any]

An iterator over all the elements of this product.

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final def withFilter(p: T => Boolean): WithFilter

Creates a non-strict filter, which eventually converts this to a Failure if the predicate is not satisfied.

Note: unlike filter, withFilter does not create a new Try. Instead, it restricts the domain of subsequent map, flatMap, foreach, and withFilter operations.

As Try is a one-element collection, this may be a bit overkill, but it's consistent with withFilter on Option and the other collections.