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Make parameter types of context functions inferred type trees #20155

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Merged
merged 1 commit into from
Apr 11, 2024
Merged

Make parameter types of context functions inferred type trees #20155

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2 changes: 1 addition & 1 deletion compiler/src/dotty/tools/dotc/typer/Typer.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -3271,7 +3271,7 @@ class Typer(@constructorOnly nestingLevel: Int = 0) extends Namer
val paramTypes = {
val hasWildcard = formals.exists(_.existsPart(_.isInstanceOf[WildcardType], StopAt.Static))
if hasWildcard then formals.map(_ => untpd.TypeTree())
else formals.map(formal => untpd.TypeTree(formal.loBound)) // about loBound, see tests/pos/i18649.scala
else formals.map(formal => untpd.InferredTypeTree(formal.loBound)) // about loBound, see tests/pos/i18649.scala
}

val erasedParams = pt match {
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11 changes: 11 additions & 0 deletions tests/pos/i20135.scala
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Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
import language.experimental.captureChecking

class Network

class Page(using nw: Network^):
def render(client: Page^{nw} ?-> Unit) = client(using this)

def main(net: Network^) =
var page = Page(using net)
page.render(())

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