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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/where-clauses/where-for-self-2.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/where-clauses/where-for-self-2.rs')
-rw-r--r-- | tests/ui/where-clauses/where-for-self-2.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/ui/where-clauses/where-for-self-2.rs b/tests/ui/where-clauses/where-for-self-2.rs new file mode 100644 index 000000000..37c6954fd --- /dev/null +++ b/tests/ui/where-clauses/where-for-self-2.rs @@ -0,0 +1,24 @@ +// Test that we can quantify lifetimes outside a constraint (i.e., including +// the self type) in a where clause. Specifically, test that implementing for a +// specific lifetime is not enough to satisfy the `for<'a> ...` constraint, which +// should require *all* lifetimes. + +static X: &'static u32 = &42; + +trait Bar { + fn bar(&self); +} + +impl Bar for &'static u32 { + fn bar(&self) {} +} + +fn foo<T>(x: &T) +where + for<'a> &'a T: Bar, +{ +} + +fn main() { + foo(&X); //~ ERROR implementation of `Bar` is not general enough +} |