SI-6064 Add method contains to Option.

The Option API more or less mirrors the Collection API,
but it seems that somehow this method has been forgotten.

Review: @axel22

1 files changed, 9 insertions, 0 deletions

diff --git a/test/files/run/t6064.scala b/test/files/run/t6064.scala
new file mode 100644
index 0000000000..fc184dd92d
--- /dev/null
+++ b/test/files/run/t6064.scala
@@ -0,0 +1,9 @@
+object Test extends App {
+  assert(Option(42) contains 42)
+  assert(Some(42) contains 42)
+  assert(Option(BigInt(42)) contains 42)
+  assert(Option(42) contains BigInt(42))
+  assert(!(None contains 42))
+  assert(Some(null) contains null)
+  assert(!(Option(null) contains null))
+}
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