about summary refs log tree commit diff
path: root/tests/ui/traits/inheritance/num5.rs
diff options
context:
space:
mode:
authorAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-05 09:13:28 +0100
committerAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-11 09:32:08 +0000
commitcf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch)
tree40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/traits/inheritance/num5.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz
rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip
Move /src/test to /tests
Diffstat (limited to 'tests/ui/traits/inheritance/num5.rs')
-rw-r--r--tests/ui/traits/inheritance/num5.rs26
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/traits/inheritance/num5.rs b/tests/ui/traits/inheritance/num5.rs
new file mode 100644
index 00000000000..f478618f7b5
--- /dev/null
+++ b/tests/ui/traits/inheritance/num5.rs
@@ -0,0 +1,26 @@
+// run-pass
+// pretty-expanded FIXME #23616
+
+pub trait NumCast: Sized {
+    fn from(i: i32) -> Option<Self>;
+}
+
+pub trait NumExt: PartialEq + NumCast {}
+
+impl NumExt for f32 {}
+impl NumExt for isize {}
+
+impl NumCast for f32 {
+    fn from(i: i32) -> Option<f32> { Some(i as f32) }
+}
+impl NumCast for isize {
+    fn from(i: i32) -> Option<isize> { Some(i as isize) }
+}
+
+fn num_eq_one<T:NumExt>() -> T {
+    NumCast::from(1).unwrap()
+}
+
+pub fn main() {
+    num_eq_one::<isize>(); // you need to actually use the function to trigger the ICE
+}