Scala example source code file (tcpoly_return_overriding.scala)

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Java - Scala tags/keywords

generic, generic, rep, rep

The Scala tcpoly_return_overriding.scala source code

trait Generic[g[x]] {
  def unit: g[Unit]
}

trait Rep[t] {           
  def rep[m[x]](implicit gen: Generic[m]): m[t]
}

// testing that the return type is also transformed when checking overriding
// + that substitution (of types&symbols) preserves isHigherKinded when replacing a higher-kinded type with another one
object foo extends Rep[Unit] {
  def rep[g[x]](implicit gen: Generic[g]): g[Unit]= gen.unit
}