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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/traits/inheritance/num5.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/traits/inheritance/num5.rs')
-rw-r--r-- | tests/ui/traits/inheritance/num5.rs | 26 |
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 000000000..f478618f7 --- /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 +} |