diff options
Diffstat (limited to 'src/compiler/scala/tools/nsc/transform/patmat/ScalacPatternExpanders.scala')
-rw-r--r-- | src/compiler/scala/tools/nsc/transform/patmat/ScalacPatternExpanders.scala | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/src/compiler/scala/tools/nsc/transform/patmat/ScalacPatternExpanders.scala b/src/compiler/scala/tools/nsc/transform/patmat/ScalacPatternExpanders.scala index 79f5e3bee8..8924394b72 100644 --- a/src/compiler/scala/tools/nsc/transform/patmat/ScalacPatternExpanders.scala +++ b/src/compiler/scala/tools/nsc/transform/patmat/ScalacPatternExpanders.scala @@ -73,9 +73,7 @@ trait ScalacPatternExpanders { * Unfortunately the MethodType does not carry the information of whether * it was unapplySeq, so we have to funnel that information in separately. */ - def unapplyMethodTypes(method: Type, isSeq: Boolean): Extractor = { - val whole = firstParamType(method) - val result = method.finalResultType + def unapplyMethodTypes(whole: Type, result: Type, isSeq: Boolean): Extractor = { val expanded = ( if (result =:= BooleanTpe) Nil else typeOfMemberNamedGet(result) match { @@ -124,11 +122,11 @@ trait ScalacPatternExpanders { case _ => sel } val patterns = newPatterns(args) - val isSeq = sel.symbol.name == nme.unapplySeq val isUnapply = sel.symbol.name == nme.unapply + val extractor = sel.symbol.name match { - case nme.unapply => unapplyMethodTypes(fn.tpe, isSeq = false) - case nme.unapplySeq => unapplyMethodTypes(fn.tpe, isSeq = true) + case nme.unapply => unapplyMethodTypes(firstParamType(fn.tpe), sel.tpe, isSeq = false) + case nme.unapplySeq => unapplyMethodTypes(firstParamType(fn.tpe), sel.tpe, isSeq = true) case _ => applyMethodTypes(fn.tpe) } |