diff options
Diffstat (limited to 'compiler/src/dotty/tools/dotc/core')
-rw-r--r-- | compiler/src/dotty/tools/dotc/core/NameKinds.scala | 2 | ||||
-rw-r--r-- | compiler/src/dotty/tools/dotc/core/TypeOps.scala | 4 | ||||
-rw-r--r-- | compiler/src/dotty/tools/dotc/core/Types.scala | 2 |
3 files changed, 6 insertions, 2 deletions
diff --git a/compiler/src/dotty/tools/dotc/core/NameKinds.scala b/compiler/src/dotty/tools/dotc/core/NameKinds.scala index 0f08e4701..81ac3a02f 100644 --- a/compiler/src/dotty/tools/dotc/core/NameKinds.scala +++ b/compiler/src/dotty/tools/dotc/core/NameKinds.scala @@ -209,7 +209,7 @@ object NameKinds { val InlineAccessorName = new UniqueNameKind("$_inlineAccessor_$") val TempResultName = new UniqueNameKind("ev$") val EvidenceParamName = new UniqueNameKind("evidence$") - val DepParamName = new UniqueNameKind("<param>") + val DepParamName = new UniqueNameKind("(param)") val LazyImplicitName = new UniqueNameKind("$_lazy_implicit_$") val LazyLocalName = new UniqueNameKind("$lzy") val LazyLocalInitName = new UniqueNameKind("$lzyINIT") diff --git a/compiler/src/dotty/tools/dotc/core/TypeOps.scala b/compiler/src/dotty/tools/dotc/core/TypeOps.scala index 9593bfe93..0de823e97 100644 --- a/compiler/src/dotty/tools/dotc/core/TypeOps.scala +++ b/compiler/src/dotty/tools/dotc/core/TypeOps.scala @@ -7,6 +7,7 @@ import SymDenotations._, Denotations.SingleDenotation import config.Printers.typr import util.Positions._ import NameOps._ +import NameKinds.DepParamName import Decorators._ import StdNames._ import Annotations._ @@ -169,6 +170,9 @@ trait TypeOps { this: Context => // TODO: Make standalone object. simplify(l, theMap) & simplify(r, theMap) case OrType(l, r) => simplify(l, theMap) | simplify(r, theMap) + case tp: TypeVar if tp.origin.paramName.is(DepParamName) => + val effectiveVariance = if (theMap == null) 1 else theMap.variance + tp.instanceOpt orElse tp.instantiate(fromBelow = effectiveVariance != -1) case _ => (if (theMap != null) theMap else new SimplifyMap).mapOver(tp) } diff --git a/compiler/src/dotty/tools/dotc/core/Types.scala b/compiler/src/dotty/tools/dotc/core/Types.scala index c8c1886cc..955a5a11c 100644 --- a/compiler/src/dotty/tools/dotc/core/Types.scala +++ b/compiler/src/dotty/tools/dotc/core/Types.scala @@ -3509,7 +3509,7 @@ object Types { def apply(tp: Type): Type - protected var variance = 1 + protected[core] var variance = 1 protected def derivedSelect(tp: NamedType, pre: Type): Type = tp.derivedSelect(pre) |