From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/lifetimes/issue-79187-2.rs | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 tests/ui/lifetimes/issue-79187-2.rs (limited to 'tests/ui/lifetimes/issue-79187-2.rs') 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 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(t: F) -> F + where + F: Fn(&i32) -> &i32, + { + t + } +} -- cgit v1.2.3