summaryrefslogtreecommitdiffstats
path: root/src/test/ui/object-safety/object-safety-issue-22040.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/object-safety/object-safety-issue-22040.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/object-safety/object-safety-issue-22040.rs')
-rw-r--r--src/test/ui/object-safety/object-safety-issue-22040.rs42
1 files changed, 42 insertions, 0 deletions
diff --git a/src/test/ui/object-safety/object-safety-issue-22040.rs b/src/test/ui/object-safety/object-safety-issue-22040.rs
new file mode 100644
index 000000000..1fc5c5442
--- /dev/null
+++ b/src/test/ui/object-safety/object-safety-issue-22040.rs
@@ -0,0 +1,42 @@
+// Regression test for #22040.
+
+use std::fmt::Debug;
+
+trait Expr: Debug + PartialEq {
+ fn print_element_count(&self);
+}
+
+//#[derive(PartialEq)]
+#[derive(Debug)]
+struct SExpr<'x> {
+ elements: Vec<Box<dyn Expr + 'x>>,
+ //~^ ERROR E0038
+}
+
+impl<'x> PartialEq for SExpr<'x> {
+ fn eq(&self, other:&SExpr<'x>) -> bool {
+ println!("L1: {} L2: {}", self.elements.len(), other.elements.len());
+
+ let result = self.elements.len() == other.elements.len();
+
+ println!("Got compare {}", result);
+ return result;
+ }
+}
+
+impl <'x> SExpr<'x> {
+ fn new() -> SExpr<'x> { return SExpr{elements: Vec::new(),}; }
+}
+
+impl <'x> Expr for SExpr<'x> {
+ fn print_element_count(&self) {
+ println!("element count: {}", self.elements.len());
+ }
+}
+
+fn main() {
+ let a: Box<dyn Expr> = Box::new(SExpr::new());
+ let b: Box<dyn Expr> = Box::new(SExpr::new());
+
+ // assert_eq!(a , b);
+}