Packages

  • package root
    Definition Classes
    root
  • package cats

    The cats root package contains all the trait signatures of most Scala type classes.

    The cats root package contains all the trait signatures of most Scala type classes.

    Cats type classes are implemented using the approach from the Type classes as objects and implicits article.

    For each type class, cats provides three pieces: - Its signature: a trait that is polymorphic on a type parameter. Type class traits inherit from other type classes to indicate that any implementation of the lower type class (e.g. Applicative) can also serve as an instance for the higuer type class (e.g. Functor). - Type class 'instances, which are classes and objects that implement one or more type class signatures for some specific types. Type class instances for several data types from the Java or Scala standard libraries are declared in the subpackage cats.instances. - Syntax extensions, each of which provides the methods of the type class defines as extension methods (which in Scala 2 are encoded as implicit classes) for values of any type F; given that an instance of the type class for the receiver type (this) is in the implicit scope. Symtax extensions are declared in the cats.syntax package. - A set of laws, that are also generic on the type of the class, and are only defined on the operations of the type class. The purpose of these laws is to declare some algebraic relations (equations) between Scala expressions involving the operations of the type class, and test (but not verify) that implemented instances satisfy those equations. Laws are defined in the cats-laws package.

    Although most of cats type classes are declared in this package, some are declared in other packages: - type classes that operate on base types (kind *), and their implementations for standard library types, are contained in cats.kernel, which is a different SBT project. However, they are re-exported from this package. - type classes of kind F[_, _], such as cats.arrow.Profunctor" or cats.arrow.Arrow, which are relevant for Functional Reactive Programming or optics, are declared in the cats.arrow package. - Also, those type classes that abstract over (pure or impure) functional runtime effects are declared in the cats-effect library. - Some type classes for which no laws can be provided are left out of the main road, in a small and dirty alley. These are the alleycats.

    Definition Classes
    root
  • package data
    Definition Classes
    cats
  • AndThen
  • AppFunc
  • Binested
  • BinestedBifoldable
  • BinestedBitraverse
  • BinestedInstances
  • Chain
  • Cokleisli
  • Const
  • Cont
  • ContT
  • EitherK
  • EitherT
  • Func
  • IdT
  • IndexedReaderWriterStateT
  • IndexedState
  • IndexedStateT
  • Ior
  • IorT
  • Kleisli
  • KleisliFromFunctionPartiallyApplied
  • Nested
  • NonEmptyChainOps
  • NonEmptyList
  • NonEmptyMapOps
  • NonEmptySeq
  • NonEmptySetOps
  • NonEmptyVector
  • OneAnd
  • Op
  • OptionT
  • Reader
  • ReaderWriterState
  • ReaderWriterStateT
  • RepresentableStore
  • State
  • StateT
  • Store
  • Tuple2K
  • Validated
  • Writer
  • WriterT
  • ZipList
  • ZipSeq
  • ZipStream
  • ZipVector

object Tuple2K extends Tuple2KInstances with Serializable

Linear Supertypes
Serializable, Serializable, Tuple2KInstances, Tuple2KInstances0, Tuple2KInstances1, Tuple2KInstances2, Tuple2KInstances3, Tuple2KInstances4, Tuple2KInstances5, Tuple2KInstances6, Tuple2KInstances7, Tuple2KInstances8, AnyRef, Any
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. Tuple2K
  2. Serializable
  3. Serializable
  4. Tuple2KInstances
  5. Tuple2KInstances0
  6. Tuple2KInstances1
  7. Tuple2KInstances2
  8. Tuple2KInstances3
  9. Tuple2KInstances4
  10. Tuple2KInstances5
  11. Tuple2KInstances6
  12. Tuple2KInstances7
  13. Tuple2KInstances8
  14. AnyRef
  15. Any
  1. Hide All
  2. Show All
Visibility
  1. Public
  2. All

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  5. implicit def catsDataAlternativeForTuple2K[F[_], G[_]](implicit FF: Alternative[F], GG: Alternative[G]): Alternative[[α]Tuple2K[F, G, α]]
    Definition Classes
    Tuple2KInstances1
  6. implicit def catsDataApplicativeForTuple2K[F[_], G[_]](implicit FF: Applicative[F], GG: Applicative[G]): Applicative[[α]Tuple2K[F, G, α]]
    Definition Classes
    Tuple2KInstances5
  7. implicit def catsDataApplyForTuple2K[F[_], G[_]](implicit FF: Apply[F], GG: Apply[G]): Apply[[α]Tuple2K[F, G, α]]
    Definition Classes
    Tuple2KInstances6
  8. implicit def catsDataCommutativeApplicativeForTuple2K[F[_], G[_]](implicit FF: CommutativeApplicative[F], GG: CommutativeApplicative[G]): CommutativeApplicative[[α]Tuple2K[F, G, α]]
    Definition Classes
    Tuple2KInstances3
  9. implicit def catsDataCommutativeApplyForTuple2K[F[_], G[_]](implicit FF: CommutativeApply[F], GG: CommutativeApply[G]): CommutativeApply[[α]Tuple2K[F, G, α]]
    Definition Classes
    Tuple2KInstances4
  10. implicit def catsDataContravariantForTuple2K[F[_], G[_]](implicit FC: Contravariant[F], GC: Contravariant[G]): Contravariant[[α]Tuple2K[F, G, α]]
    Definition Classes
    Tuple2KInstances0
  11. implicit def catsDataContravariantMonoidalForTuple2k[F[_], G[_]](implicit FD: ContravariantMonoidal[F], GD: ContravariantMonoidal[G]): ContravariantMonoidal[[α]Tuple2K[F, G, α]]
    Definition Classes
    Tuple2KInstances
  12. implicit def catsDataDeferForTuple2K[F[_], G[_]](implicit F: Defer[F], G: Defer[G]): Defer[[γ$0$]Tuple2K[F, G, γ$0$]]
    Definition Classes
    Tuple2KInstances
  13. implicit def catsDataDistributiveForTuple2K[F[_], G[_]](implicit FF: Distributive[F], GG: Distributive[G]): Distributive[[α]Tuple2K[F, G, α]]
    Definition Classes
    Tuple2KInstances7
  14. implicit def catsDataEqForTuple2K[F[_], G[_], A](implicit FF: Eq[F[A]], GG: Eq[G[A]]): Eq[Tuple2K[F, G, A]]
    Definition Classes
    Tuple2KInstances0
  15. implicit def catsDataFoldableForTuple2K[F[_], G[_]](implicit FF: Foldable[F], GF: Foldable[G]): Foldable[[α]Tuple2K[F, G, α]]
    Definition Classes
    Tuple2KInstances1
  16. implicit def catsDataFunctorForTuple2K[F[_], G[_]](implicit FF: Functor[F], GG: Functor[G]): Functor[[α]Tuple2K[F, G, α]]
    Definition Classes
    Tuple2KInstances8
  17. implicit def catsDataMonadForTuple2K[F[_], G[_]](implicit FM: Monad[F], GM: Monad[G]): Monad[[α]Tuple2K[F, G, α]]
    Definition Classes
    Tuple2KInstances2
  18. implicit def catsDataMonoidKForTuple2K[F[_], G[_]](implicit FF: MonoidK[F], GG: MonoidK[G]): MonoidK[[α]Tuple2K[F, G, α]]
    Definition Classes
    Tuple2KInstances2
  19. implicit def catsDataOrderForTuple2K[F[_], G[_], A](implicit FF: Order[F[A]], GF: Order[G[A]]): Order[Tuple2K[F, G, A]]
    Definition Classes
    Tuple2KInstances
  20. implicit def catsDataSemigroupKForTuple2K[F[_], G[_]](implicit FF: SemigroupK[F], GG: SemigroupK[G]): SemigroupK[[α]Tuple2K[F, G, α]]
    Definition Classes
    Tuple2KInstances4
  21. implicit def catsDataSemigroupalForTuple2K[F[_], G[_]](implicit FF: Semigroupal[F], GG: Semigroupal[G]): Semigroupal[[α]Tuple2K[F, G, α]]
    Definition Classes
    Tuple2KInstances8
  22. implicit def catsDataShowForTuple2K[F[_], G[_], A](implicit FF: Show[F[A]], GF: Show[G[A]]): Show[Tuple2K[F, G, A]]
    Definition Classes
    Tuple2KInstances
  23. implicit def catsDataTraverseForTuple2K[F[_], G[_]](implicit FF: Traverse[F], GF: Traverse[G]): Traverse[[α]Tuple2K[F, G, α]]
    Definition Classes
    Tuple2KInstances0
  24. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  25. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  26. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  27. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  28. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  29. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  30. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  31. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  32. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  33. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  34. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  35. def toString(): String
    Definition Classes
    AnyRef → Any
  36. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  37. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  38. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()

Inherited from Serializable

Inherited from Serializable

Inherited from Tuple2KInstances

Inherited from Tuple2KInstances0

Inherited from Tuple2KInstances1

Inherited from Tuple2KInstances2

Inherited from Tuple2KInstances3

Inherited from Tuple2KInstances4

Inherited from Tuple2KInstances5

Inherited from Tuple2KInstances6

Inherited from Tuple2KInstances7

Inherited from Tuple2KInstances8

Inherited from AnyRef

Inherited from Any

Ungrouped