From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:03 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/borrowck/issue-7573.rs | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 tests/ui/borrowck/issue-7573.rs (limited to 'tests/ui/borrowck/issue-7573.rs') diff --git a/tests/ui/borrowck/issue-7573.rs b/tests/ui/borrowck/issue-7573.rs new file mode 100644 index 000000000..7c0741153 --- /dev/null +++ b/tests/ui/borrowck/issue-7573.rs @@ -0,0 +1,41 @@ +pub struct CrateId { + local_path: String, + junk: String, +} + +impl CrateId { + fn new(s: &str) -> CrateId { + CrateId { local_path: s.to_string(), junk: "wutevs".to_string() } + } +} + +pub fn remove_package_from_database() { + let mut lines_to_use: Vec<&CrateId> = Vec::new(); + //~^ NOTE `lines_to_use` declared here, outside of the closure body + let push_id = |installed_id: &CrateId| { + //~^ NOTE `installed_id` is a reference that is only valid in the closure body + lines_to_use.push(installed_id); + //~^ ERROR borrowed data escapes outside of closure + //~| NOTE `installed_id` escapes the closure body here + }; + list_database(push_id); + + for l in &lines_to_use { + println!("{}", l.local_path); + } +} + +pub fn list_database(mut f: F) +where + F: FnMut(&CrateId), +{ + let stuff = ["foo", "bar"]; + + for l in &stuff { + f(&CrateId::new(*l)); + } +} + +pub fn main() { + remove_package_from_database(); +} -- cgit v1.2.3