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author | Jason Zaugg <jzaugg@gmail.com> | 2012-06-23 22:38:23 +0200 |
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committer | Jason Zaugg <jzaugg@gmail.com> | 2012-06-23 22:38:23 +0200 |
commit | c27e5f0d60c853868b3676f1449e42dd351b0644 (patch) | |
tree | cc3cbfdace3e3960fa96fd9e5187525beeea3a53 /src | |
parent | e0761b4dcbbc3bcbebc6392faa91bf239d247ca0 (diff) | |
download | scala-c27e5f0d60c853868b3676f1449e42dd351b0644.tar.gz scala-c27e5f0d60c853868b3676f1449e42dd351b0644.tar.bz2 scala-c27e5f0d60c853868b3676f1449e42dd351b0644.zip |
SI-5968 Eliminate spurious exhaustiveness warning with singleton types.
A singleton type is a type ripe for enumeration.
Diffstat (limited to 'src')
-rw-r--r-- | src/compiler/scala/tools/nsc/typechecker/PatternMatching.scala | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/PatternMatching.scala b/src/compiler/scala/tools/nsc/typechecker/PatternMatching.scala index 9b8ddffb49..f99d0e733b 100644 --- a/src/compiler/scala/tools/nsc/typechecker/PatternMatching.scala +++ b/src/compiler/scala/tools/nsc/typechecker/PatternMatching.scala @@ -2362,6 +2362,8 @@ trait PatternMatching extends Transform with TypingTransformers with ast.TreeDSL // patmatDebug("enum bool "+ tp) Some(List(ConstantType(Constant(true)), ConstantType(Constant(false)))) // TODO case _ if tp.isTupleType => // recurse into component types + case modSym: ModuleClassSymbol => + Some(List(tp)) case sym if !sym.isSealed || isPrimitiveValueClass(sym) => // patmatDebug("enum unsealed "+ (tp, sym, sym.isSealed, isPrimitiveValueClass(sym))) None |