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
Ordering
  1. Alphabetic
  2. By inheritance
Inherited
  1. Hide All
  2. Show all
  1. OptionT
  2. Serializable
  3. Serializable
  4. Product
  5. Equals
  6. AnyRef
  7. Any
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 ap[B](f: ⇒ OptionT[F, (A) ⇒ B])(implicit F: Monad[F]): OptionT[F, B]

  7. 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.

  8. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  9. def canEqual(arg0: Any): Boolean

    Definition Classes
    OptionT → Equals
  10. def clone(): AnyRef

    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws()
  11. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  12. def equals(arg0: Any): Boolean

    Definition Classes
    OptionT → Equals → AnyRef → Any
  13. def exists(f: (A) ⇒ Boolean)(implicit F: Functor[F]): F[Boolean]

  14. def filter(f: (A) ⇒ Boolean)(implicit F: Functor[F]): OptionT[F, A]

  15. def finalize(): Unit

    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws()
  16. def flatMap[B](f: (A) ⇒ OptionT[F, B])(implicit F: Monad[F]): OptionT[F, B]

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

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

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

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

  21. final def getClass(): java.lang.Class[_]

    Definition Classes
    AnyRef → Any
  22. def getOrElse(default: ⇒ A)(implicit F: Functor[F]): F[A]

  23. def hashCode(): Int

    Definition Classes
    OptionT → AnyRef → Any
  24. def isDefined(implicit F: Functor[F]): F[Boolean]

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

  26. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  27. def map[B](f: (A) ⇒ B)(implicit F: Functor[F]): OptionT[F, B]

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

    Definition Classes
    AnyRef
  29. final def notify(): Unit

    Definition Classes
    AnyRef
  30. final def notifyAll(): Unit

    Definition Classes
    AnyRef
  31. def orElse(a: ⇒ OptionT[F, A])(implicit F: Monad[F]): OptionT[F, A]

  32. def productArity: Int

    Definition Classes
    OptionT → Product
  33. def productElement(arg0: Int): Any

    Definition Classes
    OptionT → Product
  34. def productIterator: Iterator[Any]

    Definition Classes
    Product
  35. def productPrefix: String

    Definition Classes
    OptionT → Product
  36. val run: F[Option[A]]

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

    Definition Classes
    AnyRef
  38. def toLeft[B](b: ⇒ B)(implicit F: Functor[F]): EitherT[F, A, B]

    Since

    7.0.3

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

    Since

    7.0.3

  40. def toString(): String

    Definition Classes
    OptionT → AnyRef → Any
  41. def traverse[G[_], B](f: (A) ⇒ G[B])(implicit F: Traverse[F], G: Applicative[G]): G[OptionT[F, B]]

  42. final def wait(): Unit

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

    Definition Classes
    AnyRef
    Annotations
    @throws()
  44. final def wait(arg0: Long): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws()

Deprecated Value Members

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

    Annotations
    @deprecated
    Deprecated

    (Since version 7.1) Each/foreach is deprecated

  2. def productElements: Iterator[Any]

    Definition Classes
    Product
    Annotations
    @deprecated
    Deprecated

    (Since version 2.8.0) use productIterator instead

Inherited from Serializable

Inherited from Serializable

Inherited from Product

Inherited from Equals

Inherited from AnyRef

Inherited from Any