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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/overloaded/overloaded-index-in-field.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/overloaded/overloaded-index-in-field.rs')
-rw-r--r-- | tests/ui/overloaded/overloaded-index-in-field.rs | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/tests/ui/overloaded/overloaded-index-in-field.rs b/tests/ui/overloaded/overloaded-index-in-field.rs new file mode 100644 index 000000000..8a1fa7deb --- /dev/null +++ b/tests/ui/overloaded/overloaded-index-in-field.rs @@ -0,0 +1,46 @@ +// run-pass +// Test using overloaded indexing when the "map" is stored in a +// field. This caused problems at some point. + +use std::ops::Index; + +struct Foo { + x: isize, + y: isize, +} + +struct Bar { + foo: Foo +} + +impl Index<isize> for Foo { + type Output = isize; + + fn index(&self, z: isize) -> &isize { + if z == 0 { + &self.x + } else { + &self.y + } + } +} + +trait Int { + fn get(self) -> isize; + fn get_from_ref(&self) -> isize; + fn inc(&mut self); +} + +impl Int for isize { + fn get(self) -> isize { self } + fn get_from_ref(&self) -> isize { *self } + fn inc(&mut self) { *self += 1; } +} + +fn main() { + let f = Bar { foo: Foo { + x: 1, + y: 2, + } }; + assert_eq!(f.foo[1].get(), 2); +} |