scalaz

OptionT

final case class OptionT[F[+_], +A](run: F[Option[A]]) extends Product with Serializable

OptionT monad transformer.

Self Type
OptionT[F, A]
Source
OptionT.scala
Linear Supertypes
Serializable, Serializable, Product, Equals, AnyRef, Any
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Inherited
  1. OptionT
  2. Serializable
  3. Serializable
  4. Product
  5. Equals
  6. AnyRef
  7. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new OptionT(run: F[Option[A]])

Value Members

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

    Definition Classes
    AnyRef

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

    Definition Classes
    Any

  3. final def ##(): Int

    Definition Classes
    AnyRef → Any

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

    Definition Classes
    AnyRef

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

    Definition Classes
    Any

  6. def app[B](f: ⇒ OptionT[F, (A) ⇒ B])(implicit F: Apply[F]): OptionT[F, B]

    Apply a function in the environment of both options, containing both Fs.

    Apply a function in the environment of both options, containing both Fs. It is not compatible with Monad#bind.

  7. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  8. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef

  10. def exists(f: (A) ⇒ Boolean)(implicit F: Functor[F]): F[Boolean]

  11. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

  12. def flatMap[B](f: (A) ⇒ OptionT[F, B])(implicit F: Monad[F]): OptionT[F, B]

  13. def flatMapF[B](f: (A) ⇒ F[B])(implicit F: Monad[F]): OptionT[F, B]

  14. def fold[X](some: (A) ⇒ X, none: ⇒ X)(implicit F: Functor[F]): F[X]

  15. def foldRight[Z](z: ⇒ Z)(f: (A, ⇒ Z) ⇒ Z)(implicit F: Foldable[F]): Z

  16. def forall(f: (A) ⇒ Boolean)(implicit F: Functor[F]): F[Boolean]

  17. def foreach(f: (A) ⇒ Unit)(implicit E: Each[F]): Unit

  18. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any

  19. def getOrElse[AA >: A](default: ⇒ AA)(implicit F: Functor[F]): F[AA]

  20. def isDefined(implicit F: Functor[F]): F[Boolean]

  21. def isEmpty(implicit F: Functor[F]): F[Boolean]

  22. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

  23. def map[B](f: (A) ⇒ B)(implicit F: Functor[F]): OptionT[F, B]

  24. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  25. final def notify(): Unit

    Definition Classes
    AnyRef

  26. final def notifyAll(): Unit

    Definition Classes
    AnyRef

  27. def orElse[AA >: A](a: ⇒ OptionT[F, AA])(implicit F: Monad[F]): OptionT[F, AA]

  28. val run: F[Option[A]]

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

    Definition Classes
    AnyRef

  30. def toLeft[B](b: ⇒ B)(implicit F: Functor[F]): EitherT[F, A, B]

    Since

    7.0.3

  31. def toRight[E](e: ⇒ E)(implicit F: Functor[F]): EitherT[F, E, A]

    Since

    7.0.3

  32. def traverse[G[_], B](f: (A) ⇒ G[B])(implicit F: Traverse[F], G: Applicative[G]): G[OptionT[F, B]]

  33. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  34. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  35. final def wait(arg0: Long): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Deprecated Value Members

  1. def ap[B](f: ⇒ OptionT[F, (A) ⇒ B])(implicit F: Apply[F]): OptionT[F, B]

    Annotations
    @deprecated
    Deprecated

    (Since version 7.0.5) Monad[F] will be required, and this fixed, in 7.1; use a different Apply combinator in 7.0.x

    See also

    app

Inherited from Serializable

Inherited from Serializable

Inherited from Product

Inherited from Equals

Inherited from AnyRef

Inherited from Any

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