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author | Adriaan Moors <adriaan.moors@typesafe.com> | 2013-05-17 16:27:20 -0700 |
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committer | Adriaan Moors <adriaan.moors@typesafe.com> | 2013-05-17 16:27:20 -0700 |
commit | 2dbd17a226f624aff9e51e424f214555cc753339 (patch) | |
tree | a400cd6feaed0b275d68cc2d3153c9d5fc832249 /test | |
parent | e2f094bcbbaf6d442c4ecd1ad32661353d1cf6b3 (diff) | |
parent | b4751a679a1e01d1d8826c4c2d68af269a1c0443 (diff) | |
download | scala-2dbd17a226f624aff9e51e424f214555cc753339.tar.gz scala-2dbd17a226f624aff9e51e424f214555cc753339.tar.bz2 scala-2dbd17a226f624aff9e51e424f214555cc753339.zip |
Merge pull request #2518 from paulp/issue/1786
SI-1786 incorporate defined bounds in inference
Diffstat (limited to 'test')
-rw-r--r-- | test/files/pos/t1786.scala | 19 | ||||
-rw-r--r-- | test/files/pos/t5459.scala (renamed from test/pending/pos/t5459.scala) | 0 | ||||
-rw-r--r-- | test/pending/pos/t1786.scala | 20 |
3 files changed, 19 insertions, 20 deletions
diff --git a/test/files/pos/t1786.scala b/test/files/pos/t1786.scala new file mode 100644 index 0000000000..32d6c06f6e --- /dev/null +++ b/test/files/pos/t1786.scala @@ -0,0 +1,19 @@ +class SomeClass(val intValue:Int) +class MyClass[T <: SomeClass](val myValue:T) +class Flooz[A >: Null <: SomeClass, T >: Null <: A](var value: T) + +class A { + def f1(i:MyClass[_]) = i.myValue.intValue + def f2(i:MyClass[_ <: SomeClass]) = i.myValue.intValue + // def f3[T](i: MyClass[T]) = i.myValue.intValue + def f4[T <: SomeClass](i: MyClass[T]) = i.myValue.intValue + // def f5[T >: Null](i: MyClass[T]) = i.myValue.intValue + // def f6[T >: Null <: String](i: MyClass[T]) = i.myValue.intValue + i.myValue.charAt(0) + + // def g1[A, T](x: Flooz[A, T]) = { x.value = null ; x.value.intValue } + def g2(x: Flooz[_, _]) = { x.value = null ; x.value.intValue } + + class MyClass2(x: MyClass[_]) { val p = x.myValue.intValue } + // class MyClass3[T <: String](x: MyClass[T]) { val p = x.myValue.intValue + x.myValue.length } + // class MyClass4[T >: Null](x: MyClass[T]) { val p = x.myValue.intValue } +} diff --git a/test/pending/pos/t5459.scala b/test/files/pos/t5459.scala index 971e6f896d..971e6f896d 100644 --- a/test/pending/pos/t5459.scala +++ b/test/files/pos/t5459.scala diff --git a/test/pending/pos/t1786.scala b/test/pending/pos/t1786.scala deleted file mode 100644 index dca2edaab4..0000000000 --- a/test/pending/pos/t1786.scala +++ /dev/null @@ -1,20 +0,0 @@ -/** This a consequence of the current type checking algorithm, where bounds - * are checked only after variables are instantiated. I believe this will change once we go to contraint-based type inference. Assigning low priority until then. - * - * - */ -class SomeClass(val intValue:Int) -class MyClass[T <: SomeClass](val myValue:T) - -object Test extends Application { - def myMethod(i:MyClass[_]) { - i.myValue.intValue/2 // << error i is of type Any - } - - def myMethod(i:MyClass[_ <: SomeClass]) { - i.myValue.intValue/2 // << works - } -} -/* -The below code shows a compiler flaw in that the wildcard "_" as value for a bounded type parameter either breaks the boundry - as it result in Any - or doesnt (as id hoped it to be) evaluates to the boundy. -*/ |