From 147e9eaf3814738f339b020e701a160ba2f68b60 Mon Sep 17 00:00:00 2001 From: Paul Phillips Date: Tue, 31 Jan 2012 08:21:34 -0800 Subject: Improved warning for insensible comparisons. Utilize knowledge of case class synthetic equals to rule out some comparisons statically. Closes SI-5426. --- test/files/neg/t5426.check | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 test/files/neg/t5426.check (limited to 'test/files/neg/t5426.check') diff --git a/test/files/neg/t5426.check b/test/files/neg/t5426.check new file mode 100644 index 0000000000..d9e192d3f0 --- /dev/null +++ b/test/files/neg/t5426.check @@ -0,0 +1,13 @@ +t5426.scala:2: error: comparing values of types Some[Int] and Int using `==' will always yield false + def f1 = Some(5) == 5 + ^ +t5426.scala:3: error: comparing values of types Int and Some[Int] using `==' will always yield false + def f2 = 5 == Some(5) + ^ +t5426.scala:8: error: comparing values of types Int and Some[Int] using `==' will always yield false + (x1 == x2) + ^ +t5426.scala:9: error: comparing values of types Some[Int] and Int using `==' will always yield false + (x2 == x1) + ^ +four errors found -- cgit v1.2.3