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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/traits/inheritance/num3.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/traits/inheritance/num3.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/traits/inheritance/num3.rs b/src/test/ui/traits/inheritance/num3.rs new file mode 100644 index 000000000..c40be6f83 --- /dev/null +++ b/src/test/ui/traits/inheritance/num3.rs @@ -0,0 +1,19 @@ +// run-pass +pub trait NumCast: Sized { + fn from(i: i32) -> Option<Self>; +} + +pub trait NumExt: PartialEq + PartialOrd + NumCast {} + +impl NumExt for f32 {} +impl NumCast for f32 { + fn from(i: i32) -> Option<f32> { Some(i as f32) } +} + +fn num_eq_one<T: NumExt>(n: T) { + println!("{}", n == NumCast::from(1).unwrap()) +} + +pub fn main() { + num_eq_one(1f32); // you need to actually use the function to trigger the ICE +} |