1 files changed, 28 insertions, 0 deletions
diff --git a/third_party/rust/scroll_derive/examples/main.rs b/third_party/rust/scroll_derive/examples/main.rs
new file mode 100644
index 0000000000..faec85300b
--- /dev/null
+++ b/third_party/rust/scroll_derive/examples/main.rs
@@ -0,0 +1,28 @@
+use scroll_derive::{IOread, IOwrite, Pread, Pwrite, SizeWith};
+
+#[derive(Debug, PartialEq, Pread, Pwrite, IOread, IOwrite, SizeWith)]
+#[repr(C)]
+struct Data {
+    id: u32,
+    timestamp: f64,
+    arr: [u16; 2],
+}
+
+use scroll::{Cread, Pread, Pwrite, LE};
+
+fn main() {
+    let bytes = [
+        0xefu8, 0xbe, 0xad, 0xde, 0, 0, 0, 0, 0, 0, 224, 63, 0xad, 0xde, 0xef, 0xbe,
+    ];
+    let data: Data = bytes.pread_with(0, LE).unwrap();
+    println!("data: {:?}", &data);
+    assert_eq!(data.id, 0xdeadbeefu32);
+    let mut bytes2 = vec![0; ::std::mem::size_of::<Data>()];
+    bytes2.pwrite_with(data, 0, LE).unwrap();
+    let data: Data = bytes.pread_with(0, LE).unwrap();
+    let data2: Data = bytes2.pread_with(0, LE).unwrap();
+    assert_eq!(data, data2);
+
+    let data: Data = bytes.cread_with(0, LE);
+    assert_eq!(data, data2);
+}