diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/dotty/tools/dotc/ast/Desugar.scala | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/dotty/tools/dotc/ast/Desugar.scala b/src/dotty/tools/dotc/ast/Desugar.scala index 86e584f6b..e72fca195 100644 --- a/src/dotty/tools/dotc/ast/Desugar.scala +++ b/src/dotty/tools/dotc/ast/Desugar.scala @@ -352,6 +352,8 @@ object desugar { val caseDef = CaseDef(pat, EmptyTree, makeTuple(ids)) val matchExpr = Match(rhsUnchecked, caseDef :: Nil) vars match { + case Nil => + matchExpr case (named, tpt) :: Nil => derivedValDef(mods, named, tpt, matchExpr) case _ => @@ -684,9 +686,9 @@ object desugar { apply(add(tree, tpt), tree1) case tree @ Bind(_, tree1) => apply(add(tree, TypeTree()), tree1) - case Typed(id: Ident, t) if isVarPattern(id) => + case Typed(id: Ident, t) if isVarPattern(id) && id.name != nme.WILDCARD => add(id, t) - case id: Ident if isVarPattern(id) => + case id: Ident if isVarPattern(id) && id.name != nme.WILDCARD => add(id, TypeTree()) case _ => foldOver(buf, tree) |