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experiment with into type conversion #26

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experiment with into type conversion #26

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20 changes: 20 additions & 0 deletions forja/src/P.scala
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Original file line number Diff line number Diff line change
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package forja

into opaque type P[T] = P.Erased

object P:
trait Meta[T]
object Meta:
def derived[T]: Meta[T] = ???
end Meta

given [T] => (meta: Meta[T]) => Conversion[T, P[T]]:
def apply(x: T): Erased = ???
end given

trait Erased

extension [T] (p: P[T])
def fixpoint(fn: PartialFunction[T, T]): P[T] = ???
end extension
end P
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