Created
May 26, 2020 15:13
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showcase dotty crash
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| val dottyVersion = "0.24.0-RC1" | |
| scalaVersion := dottyVersion | |
| scalacOptions ++= Seq( | |
| "-deprecation", | |
| "-feature", | |
| "-Xfatal-warnings", | |
| "-encoding", "utf8", | |
| "-Yexplicit-nulls", | |
| ) |
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| object impl: | |
| case object UNone | |
| import impl._ | |
| opaque type UOption[+A] = A | UNone.type |
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| val UNone: UOption[Nothing] = ??? |
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