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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/superdefault-generics.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/superdefault-generics.rs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/test/ui/traits/superdefault-generics.rs b/src/test/ui/traits/superdefault-generics.rs new file mode 100644 index 000000000..e862c0e97 --- /dev/null +++ b/src/test/ui/traits/superdefault-generics.rs @@ -0,0 +1,39 @@ +// run-pass +#![allow(dead_code)] +#![allow(non_snake_case)] + +// There is some other borrowck bug, so we make the stuff not mut. + + +use std::ops::Add; + +trait Positioned<S> { + fn SetX(&mut self, _: S); + fn X(&self) -> S; +} + +trait Movable<S: Add<Output=S>>: Positioned<S> { + fn translate(&mut self, dx: S) { + let x = self.X() + dx; + self.SetX(x); + } +} + +struct Point<S> { x: S, y: S } + +impl<S: Clone> Positioned<S> for Point<S> { + fn SetX(&mut self, x: S) { + self.x = x; + } + fn X(&self) -> S { + self.x.clone() + } +} + +impl<S: Clone + Add<Output=S>> Movable<S> for Point<S> {} + +pub fn main() { + let mut p = Point{ x: 1, y: 2}; + p.translate(3); + assert_eq!(p.X(), 4); +} |