Error Handling

src/messages/mod.rs

@@ -18,6 +18,7 @@ pub use state::*;
 
 #[derive(Debug, Clone)]
 pub enum Message {
+    None,
     DeviceInfo(Box<DeviceInfo>),
     State(State),
     Ping(Ping),
@@ -27,11 +28,13 @@ pub enum Message {
 }
 
 // helper to read fixed-size chunks
-pub(super) fn take<const N: usize>(bytes: &mut &[u8]) -> Result<[u8; N], &'static str> {
+pub(super) fn take<const N: usize>(
+    bytes: &mut &[u8],
+) -> Result<[u8; N], Box<dyn std::error::Error>> {
     if bytes.len() < N {
-        return Err("buffer too small");
+        return Err("buffer too small".into());
     }
     let (head, tail) = bytes.split_at(N);
     *bytes = tail;
-    Ok(head.try_into().unwrap())
+    Ok(head.try_into()?)
 }