summaryrefslogtreecommitdiffstats
path: root/third_party/rust/scroll_derive/examples/main.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/rust/scroll_derive/examples/main.rs
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/scroll_derive/examples/main.rs')
-rw-r--r--third_party/rust/scroll_derive/examples/main.rs28
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);
+}