diff options
Diffstat (limited to 'src/dotty/tools/dotc/core')
| -rw-r--r-- | src/dotty/tools/dotc/core/Substituters.scala | 6 | ||||
| -rw-r--r-- | src/dotty/tools/dotc/core/Types.scala | 6 |
2 files changed, 10 insertions, 2 deletions
diff --git a/src/dotty/tools/dotc/core/Substituters.scala b/src/dotty/tools/dotc/core/Substituters.scala index 1b96de47e..3d14317cb 100644 --- a/src/dotty/tools/dotc/core/Substituters.scala +++ b/src/dotty/tools/dotc/core/Substituters.scala @@ -205,7 +205,11 @@ trait Substituters { this: Context => final class SubstMap(from: List[Symbol], to: List[Type]) extends DeepTypeMap { def apply(tp: Type): Type = subst(tp, from, to, this) } - +/* not needed yet + final class SubstDealiasMap(from: List[Symbol], to: List[Type]) extends SubstMap(from, to) { + override def apply(tp: Type): Type = subst(tp.dealias, from, to, this) + } +*/ final class SubstSymMap(from: List[Symbol], to: List[Symbol]) extends DeepTypeMap { def apply(tp: Type): Type = substSym(tp, from, to, this) } diff --git a/src/dotty/tools/dotc/core/Types.scala b/src/dotty/tools/dotc/core/Types.scala index dcb1ae491..89bef109b 100644 --- a/src/dotty/tools/dotc/core/Types.scala +++ b/src/dotty/tools/dotc/core/Types.scala @@ -813,11 +813,15 @@ object Types { if (from1.isEmpty) ctx.subst1(this, from.head, to.head, null) else { val from2 = from1.tail - if (from2.isEmpty) ctx.subst2(this, from.head, to.head, from.tail.head, to.tail.head, null) + if (from2.isEmpty) ctx.subst2(this, from.head, to.head, from1.head, to.tail.head, null) else ctx.subst(this, from, to, null) } } +/* Not needed yet: + final def substDealias(from: List[Symbol], to: List[Type])(implicit ctx: Context): Type = + new ctx.SubstDealiasMap(from, to).apply(this) +*/ /** Substitute all types of the form `PolyParam(from, N)` by * `PolyParam(to, N)`. */ |