OptionT

Value Members

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

   

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2. final def ##(): Int

   

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

   

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4. final def asInstanceOf[T0]: T0

   

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5. implicit def catsDataContravariantMonoidalForOptionT[F[_]](implicit F0: ContravariantMonoidal[F]): ContravariantMonoidal[[β$11$]OptionT[F, β$11$]]

   

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6. implicit def catsDataDeferForOptionT[F[_]](implicit F: Defer[F]): Defer[[β$5$]OptionT[F, β$5$]]

   

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7. implicit def catsDataEqForOptionT[F[_], A](implicit F0: Eq[F[Option[A]]]): Eq[OptionT[F, A]]

   

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8. implicit def catsDataFoldableForOptionT[F[_]](implicit F0: Foldable[F]): Foldable[[β$16$]OptionT[F, β$16$]]

   

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9. implicit def catsDataFunctorForOptionT[F[_]](implicit F0: Functor[F]): Functor[[β$17$]OptionT[F, β$17$]]

   

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10. implicit def catsDataMonadErrorForOptionT[F[_], E](implicit F0: MonadError[F, E]): MonadError[[β$15$]OptionT[F, β$15$], E]

    

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11. implicit def catsDataMonadErrorMonadForOptionT[F[_]](implicit F0: Monad[F]): MonadError[[β$10$]OptionT[F, β$10$], Unit]

    

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12. def catsDataMonadForOptionT[F[_]](implicit F0: Monad[F]): Monad[[β$3$]OptionT[F, β$3$]]

    

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13. implicit def catsDataMonoidForOptionT[F[_], A](implicit F0: Monoid[F[Option[A]]]): Monoid[OptionT[F, A]]

    

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14. implicit def catsDataMonoidKForOptionT[F[_]](implicit F0: Monad[F]): MonoidK[[β$12$]OptionT[F, β$12$]]

    

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15. implicit def catsDataOrderForOptionT[F[_], A](implicit F0: Order[F[Option[A]]]): Order[OptionT[F, A]]

    

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16. implicit def catsDataPartialOrderForOptionT[F[_], A](implicit F0: PartialOrder[F[Option[A]]]): PartialOrder[OptionT[F, A]]

    

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17. implicit def catsDataSemigroupForOptionT[F[_], A](implicit F0: Semigroup[F[Option[A]]]): Semigroup[OptionT[F, A]]

    

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18. implicit def catsDataSemigroupKForOptionT[F[_]](implicit F0: Monad[F]): SemigroupK[[β$14$]OptionT[F, β$14$]]

    

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19. implicit def catsDataShowForOptionT[F[_], A](implicit F: Show[F[Option[A]]]): Show[OptionT[F, A]]

    

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20. implicit def catsDataTraverseForOptionT[F[_]](implicit F0: Traverse[F]): Traverse[[β$4$]OptionT[F, β$4$]]

    

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21. implicit def catsDateFunctorFilterForOptionT[F[_]](implicit F0: Functor[F]): FunctorFilter[[β$13$]OptionT[F, β$13$]]

    

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22. implicit def catsDateTraverseFilterForOptionT[F[_]](implicit F0: Traverse[F]): TraverseFilter[[β$7$]OptionT[F, β$7$]]

    

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23. def clone(): AnyRef

    

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    protected[java.lang]

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

    

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25. def equals(arg0: Any): Boolean

    

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26. def finalize(): Unit

    

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27. def fromOption[F[_]]: FromOptionPartiallyApplied[F]

    

    Transforms an Option into an OptionT, lifted into the specified Applicative.

    Transforms an Option into an OptionT, lifted into the specified Applicative.

    scala> import cats.implicits._
    scala> val o: Option[Int] = Some(2)
    scala> OptionT.fromOption[List](o)
    res0: OptionT[List, Int] = OptionT(List(Some(2)))

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

    

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29. def hashCode(): Int

    

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30. final def isInstanceOf[T0]: Boolean

    

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31. def liftF[F[_], A](fa: F[A])(implicit F: Functor[F]): OptionT[F, A]

    

    Lifts the F[A] Functor into an OptionT[F, A].

32. def liftK[F[_]](implicit F: Functor[F]): ~>[F, [β$0$]OptionT[F, β$0$]]

    

    Same as liftF, but expressed as a FunctionK for use with mapK

    Same as liftF, but expressed as a FunctionK for use with mapK

    scala> import cats._, data._,  implicits._
    scala> val a: EitherT[Eval, String, Int] = 1.pure[EitherT[Eval, String, ?]]
    scala> val b: EitherT[OptionT[Eval, ?], String, Int] = a.mapK(OptionT.liftK)
    scala> b.value.value.value
    res0: Option[Either[String,Int]] = Some(Right(1))

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

    

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34. def none[F[_], A](implicit F: Applicative[F]): OptionT[F, A]

    

35. final def notify(): Unit

    

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36. final def notifyAll(): Unit

    

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37. def pure[F[_]]: PurePartiallyApplied[F]

    

    Creates a OptionT[A] from an A

    Creates a OptionT[A] from an A

    scala> import cats.implicits._
    scala> OptionT.pure[List](2)
    res0: OptionT[List, Int] = OptionT(List(Some(2)))

38. def some[F[_]]: PurePartiallyApplied[F]

    

    An alias for pure

    An alias for pure

    scala> import cats.implicits._
    scala> OptionT.some[List](2)
    res0: OptionT[List, Int] = OptionT(List(Some(2)))

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

    

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40. def toString(): String

    

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41. final def wait(): Unit

    

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

    

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

    

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