Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Does not support higher-kinded type parameters #100

Open
joroKr21 opened this issue Feb 16, 2021 · 0 comments
Open

Does not support higher-kinded type parameters #100

joroKr21 opened this issue Feb 16, 2021 · 0 comments

Comments

@joroKr21
Copy link
Member

This means we can't use simulacrum-scalafix to prepare cats-tagless for dotty support 😢

Example

@typeclass
trait FunctorK[A[_[_]]] extends InvariantK[A] {
  def mapK[F[_], G[_]](af: A[F])(fk: F ~> G): A[G]

  override def imapK[F[_], G[_]](af: A[F])(fk: F ~> G)(gK: G ~> F): A[G] = mapK(af)(fk)
}

Error

error] Caused by: scala.MatchError: _[_] (of class scala.meta.Type$Param$TypeParamImpl)
[error] Caused by: scala.MatchError: _[_] (of class scala.meta.Type$Param$TypeParamImpl)
[error] 	at org.typelevel.simulacrum.fix.TypeClass$.$anonfun$find$3(TypeClass.scala:75)
[error] 	at org.typelevel.simulacrum.fix.TypeClass$.$anonfun$find$3(TypeClass.scala:75)
[error] 	at org.typelevel.simulacrum.fix.package$ResultTraverseOps.$anonfun$traverse$1(package.scala:17)
[error] 	at scala.collection.LinearSeqOptimized.foldLeft(LinearSeqOptimized.scala:126)
[error] 	at org.typelevel.simulacrum.fix.package$ResultTraverseOps.$anonfun$traverse$1(package.scala:17)
[error] 	at scala.collection.LinearSeqOptimized.foldLeft$(LinearSeqOptimized.scala:122)
[error] 	at scala.collection.LinearSeqOptimized.foldLeft(LinearSeqOptimized.scala:126)
[error] 	at scala.collection.immutable.List.foldLeft(List.scala:91)
[error] 	at scala.collection.LinearSeqOptimized.foldLeft$(LinearSeqOptimized.scala:122)
[error] 	at org.typelevel.simulacrum.fix.package$ResultTraverseOps.traverse(package.scala:11)
[error] 	at scala.collection.immutable.List.foldLeft(List.scala:91)
[error] 	at org.typelevel.simulacrum.fix.TypeClass$.$anonfun$find$2(TypeClass.scala:75)
[error] 	at org.typelevel.simulacrum.fix.package$ResultTraverseOps.traverse(package.scala:11)
[error] 	at scala.util.Either.flatMap(Either.scala:341)
[error] 	at org.typelevel.simulacrum.fix.TypeClass$.$anonfun$find$2(TypeClass.scala:75)
[error] 	at org.typelevel.simulacrum.fix.TypeClass$.$anonfun$find$1(TypeClass.scala:67)
[error] 	at scala.util.Either.flatMap(Either.scala:341)
[error] 	at scala.collection.immutable.List.flatMap(List.scala:366)
[error] 	at org.typelevel.simulacrum.fix.TypeClass$.$anonfun$find$1(TypeClass.scala:67)
[error] 	at org.typelevel.simulacrum.fix.TypeClass$.find(TypeClass.scala:64)
[error] 	at scala.collection.immutable.List.flatMap(List.scala:366)
[error] 	at org.typelevel.simulacrum.fix.TypeClass$.toPatch(TypeClass.scala:55)
[error] 	at org.typelevel.simulacrum.fix.TypeClass$.find(TypeClass.scala:64)
[error] 	at org.typelevel.simulacrum.fix.TypeClassSupport.fix(TypeClassSupport.scala:320)
[error] 	at org.typelevel.simulacrum.fix.TypeClass$.toPatch(TypeClass.scala:55)
[error] 	at scalafix.internal.v1.Rules.$anonfun$syntacticPatch$3(Rules.scala:91)
[error] 	at org.typelevel.simulacrum.fix.TypeClassSupport.fix(TypeClassSupport.scala:320)
[error] 	at scala.collection.immutable.List.map(List.scala:293)
[error] 	at scalafix.internal.v1.Rules.$anonfun$syntacticPatch$3(Rules.scala:91)
[error] 	at scalafix.internal.v1.Rules.syntacticPatch(Rules.scala:90)
[error] 	at scala.collection.immutable.List.map(List.scala:293)
[error] 	at scalafix.internal.v1.MainOps$.getPatchesAndDiags(MainOps.scala:348)
[error] 	at scalafix.internal.v1.Rules.syntacticPatch(Rules.scala:90)
[error] 	at scalafix.internal.v1.MainOps$.unsafeHandleFile(MainOps.scala:285)
[error] 	at scalafix.internal.v1.MainOps$.getPatchesAndDiags(MainOps.scala:348)
[error] 	at scalafix.internal.v1.MainOps$.unsafeHandleFile(MainOps.scala:285)
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

No branches or pull requests

1 participant