1 files changed, 15 insertions, 0 deletions
diff --git a/third_party/rust/arrayref/examples/simple-case.rs b/third_party/rust/arrayref/examples/simple-case.rs
new file mode 100644
index 0000000000..434e253ae6
--- /dev/null
+++ b/third_party/rust/arrayref/examples/simple-case.rs
@@ -0,0 +1,15 @@
+#[macro_use]
+extern crate arrayref;
+
+fn add_three(a: &[u8; 3]) -> u8 {
+    a[0] + a[1] + a[2]
+}
+
+fn main() {
+    let mut x = [0u8; 30];
+    x[20] = 1;
+    x[21] = 4;
+    x[24] = 3;
+    x[0] = add_three(array_mut_ref![x,20,3]);
+    assert_eq!(x[0], 8);
+}