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authorMartin Odersky <odersky@gmail.com>2015-12-01 12:32:59 +0100
committerMartin Odersky <odersky@gmail.com>2015-12-06 16:09:19 +0100
commitdf00eb195d86a3d1425029f2f2436029a757ee5d (patch)
tree8ecba17ee7babf69f3dbe18f960c21abb95a412d /src
parent4c8db87e499e3a0f56a89ed0824b27230db32997 (diff)
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Disallow existentially bound parameters as type parameters
Done in order to keep the basics as simple as possible. Treating existentially bound parameters as still instantiatable type parameters does not seem to add anything fundamental, and makes the type system less regular.
Diffstat (limited to 'src')
-rw-r--r--src/dotty/tools/dotc/core/TypeApplications.scala13
1 files changed, 1 insertions, 12 deletions
diff --git a/src/dotty/tools/dotc/core/TypeApplications.scala b/src/dotty/tools/dotc/core/TypeApplications.scala
index 1c1717649..c2738f4be 100644
--- a/src/dotty/tools/dotc/core/TypeApplications.scala
+++ b/src/dotty/tools/dotc/core/TypeApplications.scala
@@ -69,18 +69,7 @@ class TypeApplications(val self: Type) extends AnyVal {
if (lam.exists) lam.typeParams else Nil
}
case self: RefinedType =>
- def isBoundedLambda(tp: Type): Boolean = tp match {
- case tp: TypeRef => tp.typeSymbol.isLambdaTrait
- case tp: RefinedType => tp.refinedName.isLambdaArgName && isBoundedLambda(tp.parent)
- case _ => false
- }
- val tparams = self.parent.typeParams
- self.refinedInfo match {
- case rinfo: TypeBounds if rinfo.isAlias || isBoundedLambda(self) =>
- tparams.filterNot(_.name == self.refinedName)
- case _ =>
- tparams
- }
+ self.parent.typeParams.filterNot(_.name == self.refinedName)
case self: SingletonType =>
Nil
case self: TypeProxy =>