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Implicits#viewExists: return false after typer instead of AssertionError #438

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Merged
merged 1 commit into from
Mar 28, 2015
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Implicits#viewExists: return false after typer instead of AssertionError #438

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1 change: 1 addition & 0 deletions src/dotty/tools/dotc/typer/Implicits.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -380,6 +380,7 @@ trait Implicits { self: Typer =>
override def viewExists(from: Type, to: Type)(implicit ctx: Context): Boolean = (
!from.isError
&& !to.isError
&& !ctx.isAfterTyper
&& (ctx.mode is Mode.ImplicitsEnabled)
&& { from.widenExpr match {
case from: TypeRef if defn.ScalaValueClasses contains from.symbol =>
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