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Diffstat (limited to 'test/files/pos/t4881.scala')
-rw-r--r-- | test/files/pos/t4881.scala | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/test/files/pos/t4881.scala b/test/files/pos/t4881.scala deleted file mode 100644 index 46cfad9793..0000000000 --- a/test/files/pos/t4881.scala +++ /dev/null @@ -1,31 +0,0 @@ -class Contra[-T] -trait A -trait B extends A -trait C extends B - -// test improved variance inference: first try formals to see in which variance positions the type param appears; -// only when that fails to determine variance, look at result type -object Test { - def contraLBUB[a >: C <: A](): Contra[a] = null - def contraLB[a >: C](): Contra[a] = null - -{ - val x = contraLBUB() //inferred Contra[C] instead of Contra[A] - val x1: Contra[A] = x -} - -{ - val x = contraLB() //inferred Contra[C] instead of Contra[Any] - val x1: Contra[Any] = x -} - -{ - val x = contraLBUB // make sure it does the same thing as its ()-less counterpart - val x1: Contra[A] = x -} - -{ - val x = contraLB - val x1: Contra[Any] = x -} -} |