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Do not consider uninhabited constructors when performing exhaustive m…
…atch checking (scala#21750)
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,6 +1,6 @@ | ||
object Foo { | ||
val bar = List() match { | ||
case List() => ??? | ||
case _ => ??? | ||
case null => ??? | ||
} | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,10 @@ | ||
enum TestAdt: | ||
case Inhabited | ||
case Uninhabited(no: Nothing) | ||
|
||
def test1(t: TestAdt): Int = t match | ||
case TestAdt.Inhabited => 1 | ||
|
||
def test2(o: Option[Option[Nothing]]): Int = o match | ||
case Some(None) => 1 | ||
case None => 2 |