From bb0faff0d45f873fff9054fd8baec92eabb78c3d Mon Sep 17 00:00:00 2001 From: Martin Odersky Date: Mon, 10 Apr 2017 16:18:05 +0200 Subject: Skolemize arguments to dependent methods as necessary. This was missing before, led to errors not being detected. --- tests/neg/i2142.scala | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 tests/neg/i2142.scala (limited to 'tests') diff --git a/tests/neg/i2142.scala b/tests/neg/i2142.scala new file mode 100644 index 000000000..7aeef95f0 --- /dev/null +++ b/tests/neg/i2142.scala @@ -0,0 +1,28 @@ +object Foo { + +class A +val a1 = new A() +val a2 = new A() + +def f(x: A, y: x.type) = () +f(a1, a1) // ok +f(a1, a2) // error +f(new A(), new A()) // error +f(new A(), a1) // error + +def g(x: A)(y: x.type) = () +g(a1)(a1) // ok +g(a1)(a2) // error +g(new A())(new A()) // error +g(new A())(a1) // error + +val x0 = g(new A()) _ +x0 (new A()) // error + +class C[T] + +def h(x: A): C[x.type] = ??? +val x = h(a1) +val y = h(new A()) + +} -- cgit v1.2.3