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Diffstat (limited to 'tests/neg/unboundWildcard.scala')
-rw-r--r-- | tests/neg/unboundWildcard.scala | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/neg/unboundWildcard.scala b/tests/neg/unboundWildcard.scala new file mode 100644 index 000000000..b137c2664 --- /dev/null +++ b/tests/neg/unboundWildcard.scala @@ -0,0 +1,20 @@ +object unboundWildcard { + + val wildcardVal: _ = 0 // error: unbound wildcard type + + val annotated: _ @unchecked = 0 // error: unbound wildcard type + + def wildcardArg(x: _): Int = 0 // error: unbound wildcard type + + def wildcardResult(x: Int): _ = 0 // error: unbound wildcard type + + val singletonTuple: (((((((_))))))) = ??? // error: unbound wildcard type + + val wildcardBoundedTypeArgL: List[_ <: _] = List(0) // error: unbound wildcard type + val wildcardBoundedTypeArgU: List[_ >: _] = List(0) // error: unbound wildcard type + + def wildcardBoundedTypeParamL[T <: _](x: T): T = x // error: unbound wildcard type + def wildcardBoundedTypeParamU[T >: _](x: T): T = x // error: unbound wildcard type + + val _1403: (_ <: Any) = 1 // error: unbound wildcard type +} |