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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/lifetimes/issue-79187-2.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/lifetimes/issue-79187-2.rs')
-rw-r--r-- | tests/ui/lifetimes/issue-79187-2.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/ui/lifetimes/issue-79187-2.rs b/tests/ui/lifetimes/issue-79187-2.rs new file mode 100644 index 000000000..fff92c30b --- /dev/null +++ b/tests/ui/lifetimes/issue-79187-2.rs @@ -0,0 +1,29 @@ +trait Foo {} + +impl<F> Foo for F where F: Fn(&i32) -> &i32 {} + +fn take_foo(_: impl Foo) {} + +fn main() { + take_foo(|a| a); + //~^ ERROR implementation of `FnOnce` is not general enough + //~| ERROR mismatched types + take_foo(|a: &i32| a); + //~^ ERROR lifetime may not live long enough + //~| ERROR mismatched types + take_foo(|a: &i32| -> &i32 { a }); + //~^ ERROR lifetime may not live long enough + //~| ERROR mismatched types + + // OK + take_foo(identity(|a| a)); + take_foo(identity(|a: &i32| a)); + take_foo(identity(|a: &i32| -> &i32 { a })); + + fn identity<F>(t: F) -> F + where + F: Fn(&i32) -> &i32, + { + t + } +} |