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Type desugared transparent inline def unapply call in the correct mode #20108

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merged 1 commit into from
Apr 9, 2024
Merged

Type desugared transparent inline def unapply call in the correct mode #20108

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3 changes: 2 additions & 1 deletion compiler/src/dotty/tools/dotc/typer/Applications.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -1429,7 +1429,8 @@ trait Applications extends Compatibility {
report.error(em"Structural unapply is not supported", unapplyFn.srcPos)
(unapplyFn, unapplyAppCall)
case Apply(fn, `dummyArg` :: Nil) =>
val inlinedUnapplyFn = Inlines.inlinedUnapplyFun(fn)
val inlinedUnapplyFn = withoutMode(Mode.Pattern):
Inlines.inlinedUnapplyFun(fn)
(inlinedUnapplyFn, inlinedUnapplyFn.appliedToArgs(`dummyArg` :: Nil))
case Apply(fn, args) =>
val (fn1, app) = rec(fn)
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6 changes: 6 additions & 0 deletions tests/pos/i20107.scala
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
object foo:
transparent inline def unapply[F](e: F): Option[F] = Some(e.asInstanceOf[F])

class A:
def test(x: Int) = x match
case foo(e) => e
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