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authorLukas Rytz <lukas.rytz@epfl.ch>2011-05-10 13:31:18 +0000
committerLukas Rytz <lukas.rytz@epfl.ch>2011-05-10 13:31:18 +0000
commita4d3c77616fffe7ce0b83dcfd929a33aed472773 (patch)
tree318a3f1bc8b0bc8761f4b6b9bfbcbf17e4498af3 /src
parent1a92fb60e6853fca4b4e5bd0d03f913c300100ae (diff)
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close #4441. no review
Diffstat (limited to 'src')
-rw-r--r--src/compiler/scala/tools/nsc/typechecker/Unapplies.scala2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/Unapplies.scala b/src/compiler/scala/tools/nsc/typechecker/Unapplies.scala
index baf790eb50..67dd272d5a 100644
--- a/src/compiler/scala/tools/nsc/typechecker/Unapplies.scala
+++ b/src/compiler/scala/tools/nsc/typechecker/Unapplies.scala
@@ -192,7 +192,7 @@ trait Unapplies extends ast.TreeDSL
val cparamss = constrParamss(cdef)
val flat = cparamss flatten
- if (flat.isEmpty || cdef.symbol.hasAbstractFlag || (flat exists isDisallowed)) None
+ if (cdef.symbol.hasAbstractFlag || (flat exists isDisallowed)) None
else {
val tparams = cdef.tparams map copyUntypedInvariant
// the parameter types have to be exactly the same as the constructor's parameter types; so it's