fix: use match expression for cbor decode

core/src/event_id.rs

@@ -148,7 +148,7 @@ impl EventId {
         })
     }
 }
-// Decode a cbor unsinged integer and return the remaining bytes from the buffer
+// Decode a cbor unsigned integer and return the remaining bytes from the buffer
 fn cbor_uint_decode(data: &[u8]) -> (Option<u64>, &[u8]) {
     // From the spec: https://datatracker.ietf.org/doc/html/rfc7049#section-2.1
     //
@@ -163,45 +163,40 @@ fn cbor_uint_decode(data: &[u8]) -> (Option<u64>, &[u8]) {
     //  information 25) followed by the two bytes 0x01f4, which is 500 in
     //  decimal.
 
-    if data[0] <= 23 {
+    match data[0] {
         // 0 - 23
-        (Some(data[0] as u64), &data[1..])
-    } else if data[0] == 24 {
+        x if x <= 23 => (Some(x as u64), &data[1..]),
         // u8
-        (
+        24 => (
             data[1..2]
                 .try_into()
                 .ok()
                 .map(|h| u8::from_le_bytes(h) as u64),
             &data[2..],
-        )
-    } else if data[0] == 25 {
+        ),
         // u16
-        (
+        25 => (
             data[1..3]
                 .try_into()
                 .ok()
                 .map(|h| u16::from_be_bytes(h) as u64),
             &data[3..],
-        )
-    } else if data[0] == 26 {
+        ),
         // u32
-        (
+        26 => (
             data[1..5]
                 .try_into()
                 .ok()
                 .map(|h| u32::from_be_bytes(h) as u64),
             &data[5..],
-        )
-    } else if data[0] == 27 {
+        ),
         // u64
-        (
+        27 => (
             data[1..9].try_into().ok().map(u64::from_be_bytes),
             &data[9..],
-        )
-    } else {
+        ),
         // not a cbor unsigned int
-        (None, data)
+        _ => (None, data),
     }
 }