Packages

object Record extends Dynamic

Records encoded as HLists of their value types intersected with the singleton types of their keys.

Record types may be written using a relatively concise syntax thanks to a trick due to Denys Shabalin (@den_sh) and Eugene Burmako (@xeno_by). We use a combination of selectDynamic and backticks to embed a type in a path which appears to the compiler as stable,

type Xyz = Record.`'x -> Int, 'y -> String, 'z -> Boolean`.T

The use of singleton-typed Symbols as keys would make this type extremely laborious to write out by hand.

There is also a mechanism for creating values of record types using Scala's named argument syntax. Values of the type just defined can be created as follows,

val xyz = Record(x = 23, y = "foo", z = true)
xyz('y) // == "foo"
Linear Supertypes
Dynamic, AnyRef, Any
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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. macro def applyDynamic(method: String)(rec: Any*): HList
  5. macro def applyDynamicNamed(method: String)(rec: Any*): HList
  6. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  7. def clone(): AnyRef
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @native() @throws( ... )
  8. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  9. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  10. def finalize(): Unit
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  11. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  12. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  13. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  14. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  15. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  16. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  17. macro def selectDynamic(tpeSelector: String): Any
  18. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  19. def toString(): String
    Definition Classes
    AnyRef → Any
  20. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  21. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  22. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @throws( ... )

Inherited from Dynamic

Inherited from AnyRef

Inherited from Any

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