joroKr21
/ typelevelcps.scala
Created
June 7, 2018 20:23
— forked from milessabin/typelevelcps.scala
Using type level continuation passing style to rewrite a whitebox macro (which relies on fundep materialization) as a blackbox macro
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| import scala.language.higherKinds | |
| // Whitebox ... | |
| trait Schema[T, R] { | |
| def conv(t: T): R | |
| } | |
| object Schema { | |
| // Whitebox macro: R is computed from T | |
| implicit def mkSchema[T, R]: Schema[T, R] = ??? // macro ... |
joroKr21
/ NatLong.scala
Created
March 10, 2018 09:45
— forked from hobwekiva/NatLong.scala
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| sealed abstract class SingletonOf[A, +B] { | |
| } | |
| object SingletonOf { | |
| } | |
| type <::[A, +B] = SingletonOf[A, B] | |
| def single[A <: Singleton](a: A): SingletonOf[A, A] = | |
| new SingletonOf[A, A] { } |