Packages

sealed abstract class HList extends Product

A heterogenous list where each element has its own type.

Source
HList.scala
Linear Supertypes
Product, Equals, AnyRef, Any
Known Subclasses
HCons, HNil
Type Hierarchy
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. HList
  2. Product
  3. Equals
  4. AnyRef
  5. Any
Implicitly
  1. by any2stringadd
  2. by StringFormat
  3. by Ensuring
  4. by ArrowAssoc
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Visibility
  1. Public
  2. Protected

Type Members

  1. type ::[E] = HCons[E, Self]

    The type of prepending an element of type E to this HList

  2. type :::[L <: HList] = :::.L.Fold[HList, PrependHead, Self]

    The type of concatenating another HList with this HList

  3. type Apply[N <: Nat] = Nat.Fold.Head

    Get the type of the Nth element of this HList

  4. type Drop[N <: Nat] = Drop.N.Fold[HList, TailOf, Self]

    Drop the first N elements from this HList and return the resulting type

  5. abstract type Fold[U, F[_ <: HList, _ <: U] <: U, Z <: U] <: U

    The type of a Fold operation on this HList

  6. abstract type Head

    The type of the first element

  7. type HeadOf[T <: HList] = HeadOf.T.Head
    Attributes
    protected[this]
  8. type IncrementForFold[X, Z <: Nat] = Succ[Z]

    Ignore X and increment Z by one (for counting with Fold)

    Ignore X and increment Z by one (for counting with Fold)

    Attributes
    protected[this]
  9. type Length = Fold[Nat, IncrementForFold, _0]

    Get the Nat type of the length of this HList

  10. type PrependHead[X <: HList, Z <: HList] = HCons[PrependHead.X.Head, PrependHead.Z.Self]
    Attributes
    protected[this]
  11. abstract type Self <: HList

    The type of this HList object

  12. abstract type Tail <: HList

    The type of the tail of this HList

  13. type TailOf[T <: HList] = TailOf.T.Tail
    Attributes
    protected[this]

Abstract Value Members

  1. abstract def fold[U, F[_ <: HList, _ <: U] <: U, Z <: U](f: TypedFunction2[HList, U, U, F], z: Z): Fold[U, F, Z]

    Fold the elements of this HList.

  2. abstract def head: Head

    Get the first element, or throw a NoSuchElementException if this HList is empty.

  3. abstract def nonEmpty: Boolean

    Check if this HList is non-empty.

  4. abstract def self: Self

    Return this HList typed as Self/

  5. abstract def tail: Tail

    Get the tail of the list, or throw a NoSuchElementException if this HList is empty.

  6. abstract def toList: List[Any]

    Convert this HList to a List[Any].

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##: Int
    Definition Classes
    AnyRef → Any
  3. def +(other: String): String
    Implicit
    This member is added by an implicit conversion from HList toany2stringadd[HList] performed by method any2stringadd in scala.Predef.
    Definition Classes
    any2stringadd
  4. def ->[B](y: B): (HList, B)
    Implicit
    This member is added by an implicit conversion from HList toArrowAssoc[HList] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()
  5. final def ::[E](elem: E): ::[E]

    Prepend an element to this HList, returning a new HList.

    Prepend an element to this HList, returning a new HList.

    Annotations
    @inline()
  6. final def :::[L <: HList](l: L): :::[L]

    Concatenate another HList to this HList, returning a new HList.

  7. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  8. final def _unsafeApply[N <: Nat](i: Int): Apply[N]
    Annotations
    @inline()
  9. final macro def apply(n: Int): Any

    Return the nth element from this HList, using the correct return type if n is a literal, otherwise Any.

  10. final def apply[N <: Nat](n: N): Apply[N]

    Return the nth element from this HList, using the correct return type.

    Return the nth element from this HList, using the correct return type.

    Annotations
    @inline()
  11. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  12. final def canEqual(that: Any): Boolean
    Definition Classes
    HList → Equals
  13. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.CloneNotSupportedException]) @native() @HotSpotIntrinsicCandidate()
  14. final def drop(i: Int): HList

    Drop the first n elements from this HList.

  15. final def drop[N <: Nat](n: N): Drop[N]

    Drop the first n elements from this HList.

    Drop the first n elements from this HList.

    Annotations
    @inline()
  16. def ensuring(cond: (HList) => Boolean, msg: => Any): HList
    Implicit
    This member is added by an implicit conversion from HList toEnsuring[HList] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  17. def ensuring(cond: (HList) => Boolean): HList
    Implicit
    This member is added by an implicit conversion from HList toEnsuring[HList] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  18. def ensuring(cond: Boolean, msg: => Any): HList
    Implicit
    This member is added by an implicit conversion from HList toEnsuring[HList] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  19. def ensuring(cond: Boolean): HList
    Implicit
    This member is added by an implicit conversion from HList toEnsuring[HList] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  20. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  21. final def equals(that: Any): Boolean
    Definition Classes
    HList → Equals → AnyRef → Any
  22. final def foreach(f: (Any) => Unit): Unit

    Evaluate a function for each element of this HList.

  23. final def getClass(): Class[_ <: AnyRef]
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  24. final lazy val hashCode: Int
    Definition Classes
    HList → AnyRef → Any
  25. final def isEmpty: Boolean

    Check if this list is empty.

  26. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  27. final def length: Length

    Get the length of this list as a Nat.

    Get the length of this list as a Nat.

    Annotations
    @inline()
  28. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  29. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  30. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  31. final def productArity: Int

    Get the length of this list as an Int.

    Get the length of this list as an Int.

    Definition Classes
    HList → Product
  32. final def productElement(i: Int): Any
    Definition Classes
    HList → Product
  33. def productElementName(n: Int): String
    Definition Classes
    Product
  34. def productElementNames: Iterator[String]
    Definition Classes
    Product
  35. def productIterator: Iterator[Any]
    Definition Classes
    Product
  36. def productPrefix: String
    Definition Classes
    Product
  37. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
    AnyRef
  38. final def toString(): String
    Definition Classes
    HList → AnyRef → Any
  39. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  40. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()
  41. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])

Deprecated Value Members

  1. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.Throwable]) @Deprecated
    Deprecated
  2. def formatted(fmtstr: String): String
    Implicit
    This member is added by an implicit conversion from HList toStringFormat[HList] performed by method StringFormat in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.12.16) Use formatString.format(value) instead of value.formatted(formatString), or use the f"" string interpolator. In Java 15 and later, formatted resolves to the new method in String which has reversed parameters.

  3. def →[B](y: B): (HList, B)
    Implicit
    This member is added by an implicit conversion from HList toArrowAssoc[HList] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @deprecated
    Deprecated

    (Since version 2.13.0) Use -> instead. If you still wish to display it as one character, consider using a font with programming ligatures such as Fira Code.

Inherited from Product

Inherited from Equals

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion any2stringadd fromHList to any2stringadd[HList]

Inherited by implicit conversion StringFormat fromHList to StringFormat[HList]

Inherited by implicit conversion Ensuring fromHList to Ensuring[HList]

Inherited by implicit conversion ArrowAssoc fromHList to ArrowAssoc[HList]

Ungrouped