diff options
| -rw-r--r-- | src/compiler/scala/tools/nsc/typechecker/PatMatVirtualiser.scala | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/PatMatVirtualiser.scala b/src/compiler/scala/tools/nsc/typechecker/PatMatVirtualiser.scala index 56830339bc..e5dc8e9ca9 100644 --- a/src/compiler/scala/tools/nsc/typechecker/PatMatVirtualiser.scala +++ b/src/compiler/scala/tools/nsc/typechecker/PatMatVirtualiser.scala @@ -1141,7 +1141,7 @@ class Foo(x: Other) { x._1 } // no error in this order val matchStrategy: Tree def inMatchMonad(tp: Type): Type = appliedType(oneSig, List(tp)).finalResultType - def pureType(tp: Type): Type = appliedType(oneSig, List(tp)).paramTypes.head + def pureType(tp: Type): Type = appliedType(oneSig, List(tp)).paramTypes.headOption getOrElse NoType // fail gracefully (otherwise we get crashes) protected def matchMonadSym = oneSig.finalResultType.typeSymbol import CODE._ |