summaryrefslogtreecommitdiffstats
path: root/tests/ui/borrowck/issue-7573.rs
diff options
context:
space:
mode:
Diffstat (limited to 'tests/ui/borrowck/issue-7573.rs')
-rw-r--r--tests/ui/borrowck/issue-7573.rs41
1 files changed, 41 insertions, 0 deletions
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<F>(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();
+}