Merge pull request #1873 from paulp/pr/variance-bonanza

a painstaking examination of Variance

2 files changed, 14 insertions, 0 deletions

diff --git a/test/files/pos/variances-flip.scala b/test/files/pos/variances-flip.scala
new file mode 100644
index 0000000000..c3ea7b571d
--- /dev/null
+++ b/test/files/pos/variances-flip.scala
@@ -0,0 +1,7 @@
+trait Foo[-A, +B, -C, +D] {
+  private[this] def b: B = ???
+  private[this] def d: D = ???
+
+  def f(p1: B => A, p2: D => C) = g(p1(b), p2(d))
+  def g(x: A, y: C) = ((b, d))
+}
diff --git a/test/files/pos/variances-local.scala b/test/files/pos/variances-local.scala
new file mode 100644
index 0000000000..35e395095c
--- /dev/null
+++ b/test/files/pos/variances-local.scala
@@ -0,0 +1,7 @@
+class Foo1[+T] {
+  private[this] type MyType = T
+}
+
+class Foo2[+T] {
+  protected[this] type MyType = T
+}