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-rw-r--r--third_party/rust/rental/tests/debug.rs39
1 files changed, 39 insertions, 0 deletions
diff --git a/third_party/rust/rental/tests/debug.rs b/third_party/rust/rental/tests/debug.rs
new file mode 100644
index 0000000000..59cf183b9b
--- /dev/null
+++ b/third_party/rust/rental/tests/debug.rs
@@ -0,0 +1,39 @@
+#[macro_use]
+extern crate rental;
+
+
+#[derive(Debug)]
+pub struct Foo {
+ i: i32,
+}
+
+
+rental! {
+ mod rentals {
+ use super::*;
+
+ #[rental(debug, deref_suffix)]
+ pub struct SimpleRef {
+ foo: Box<Foo>,
+ iref: &'foo i32,
+ }
+
+ #[rental_mut(debug, deref_suffix)]
+ pub struct SimpleMut {
+ foo: Box<Foo>,
+ iref: &'foo mut i32,
+ }
+ }
+}
+
+
+#[test]
+fn print() {
+ let foo = Foo { i: 5 };
+ let sr = rentals::SimpleRef::new(Box::new(foo), |foo| &foo.i);
+ println!("{:?}", sr);
+
+ let foo = Foo { i: 5 };
+ let sm = rentals::SimpleMut::new(Box::new(foo), |foo| &mut foo.i);
+ println!("{:?}", sm);
+}