diff options
Diffstat (limited to 'src/dotty/tools/dotc/core/Types.scala')
| -rw-r--r-- | src/dotty/tools/dotc/core/Types.scala | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/dotty/tools/dotc/core/Types.scala b/src/dotty/tools/dotc/core/Types.scala index 5f30f484e..f113307ef 100644 --- a/src/dotty/tools/dotc/core/Types.scala +++ b/src/dotty/tools/dotc/core/Types.scala @@ -2269,8 +2269,12 @@ object Types { * @param creatorState The typer state in which the variable was created. * @param owningTree The function part of the TypeApply tree tree that introduces * the type variable. + * @paran owner The current owner if the context where the variable was created. + * + * `owningTree` and `owner` are used to determine whether a type-variable can be instantiated + * at some given point. See `Inferencing#interpolateUndetVars`. */ - final class TypeVar(val origin: PolyParam, creatorState: TyperState, val owningTree: untpd.Tree) extends CachedProxyType with ValueType { + final class TypeVar(val origin: PolyParam, creatorState: TyperState, val owningTree: untpd.Tree, val owner: Symbol) extends CachedProxyType with ValueType { /** The permanent instance type of the the variable, or NoType is none is given yet */ private[core] var inst: Type = NoType |