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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 02:49:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 02:49:50 +0000 |
commit | 9835e2ae736235810b4ea1c162ca5e65c547e770 (patch) | |
tree | 3fcebf40ed70e581d776a8a4c65923e8ec20e026 /tests/ui/typeck/bad-index-due-to-nested.rs | |
parent | Releasing progress-linux version 1.70.0+dfsg2-1~progress7.99u1. (diff) | |
download | rustc-9835e2ae736235810b4ea1c162ca5e65c547e770.tar.xz rustc-9835e2ae736235810b4ea1c162ca5e65c547e770.zip |
Merging upstream version 1.71.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/typeck/bad-index-due-to-nested.rs')
-rw-r--r-- | tests/ui/typeck/bad-index-due-to-nested.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/ui/typeck/bad-index-due-to-nested.rs b/tests/ui/typeck/bad-index-due-to-nested.rs new file mode 100644 index 000000000..2564b5300 --- /dev/null +++ b/tests/ui/typeck/bad-index-due-to-nested.rs @@ -0,0 +1,27 @@ +use std::hash::Hash; +use std::marker::PhantomData; +use std::ops::Index; + +struct HashMap<K, V>(PhantomData<(K, V)>); + +impl<K, V> Index<&K> for HashMap<K, V> +where + K: Hash, + V: Copy, +{ + type Output = V; + + fn index(&self, k: &K) -> &V { + todo!() + } +} + +fn index<'a, K, V>(map: &'a HashMap<K, V>, k: K) -> &'a V { + map[k] + //~^ ERROR the trait bound `K: Hash` is not satisfied + //~| ERROR the trait bound `V: Copy` is not satisfied + //~| ERROR mismatched types + //~| ERROR mismatched types +} + +fn main() {} |