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Simplify Tasty Trees #4277

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Merged
merged 5 commits into from
Apr 10, 2018
Merged

Simplify Tasty Trees #4277

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7fdddd4
Avoid crash if prefix if selection is higher-kinded
odersky Apr 9, 2018
6a71449
Simplify Tasty trees
odersky Apr 9, 2018
55c917d
Polishings
odersky Apr 9, 2018
ed32ab0
More fixes
odersky Apr 9, 2018
b8856f7
Fxi test
odersky Apr 9, 2018
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2 changes: 1 addition & 1 deletion compiler/src/dotty/tools/dotc/typer/ProtoTypes.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -126,7 +126,7 @@ object ProtoTypes {
val mbr = if (privateOK) tp1.member(name) else tp1.nonPrivateMember(name)
def qualifies(m: SingleDenotation) =
memberProto.isRef(defn.UnitClass) ||
compat.normalizedCompatible(NamedType(tp1, name, m), memberProto)
tp1.isValueType && compat.normalizedCompatible(NamedType(tp1, name, m), memberProto)
// Note: can't use `m.info` here because if `m` is a method, `m.info`
// loses knowledge about `m`'s default arguments.
mbr match { // hasAltWith inlined for performance
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5 changes: 5 additions & 0 deletions tests/neg/hkprefix.scala
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
class Lambda[T] { class Tp }

object Test {
def f(x: Lambda # Tp) = ??? // error
}
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