Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/third_party/rust/ringbuf/examples/simple.rs b/third_party/rust/ringbuf/examples/simple.rs
new file mode 100644
index 0000000000..7ee372d4d1
--- /dev/null
+++ b/third_party/rust/ringbuf/examples/simple.rs
@@ -0,0 +1,20 @@
+extern crate ringbuf;
+
+use ringbuf::RingBuffer;
+
+fn main() {
+    let rb = RingBuffer::<i32>::new(2);
+    let (mut prod, mut cons) = rb.split();
+
+    prod.push(0).unwrap();
+    prod.push(1).unwrap();
+    assert_eq!(prod.push(2), Err(2));
+
+    assert_eq!(cons.pop().unwrap(), 0);
+
+    prod.push(2).unwrap();
+
+    assert_eq!(cons.pop().unwrap(), 1);
+    assert_eq!(cons.pop().unwrap(), 2);
+    assert_eq!(cons.pop(), None);
+}