refactor: prefer if let to single variant match

bin/verify-era-proof-attestation/src/core/config.rs

@@ -292,20 +292,17 @@ fn parse_batch_range(s: &str) -> error::Result<(L1BatchNumber, L1BatchNumber)> {
             .map(L1BatchNumber::from)
             .map_err(|e| error::Error::internal(format!("Can't convert batch {s} to number: {e}")))
     };
-    match s.split_once('-') {
-        Some((start, end)) => {
+    if let Some((start, end)) = s.split_once('-') {
         let (start, end) = (parse(start)?, parse(end)?);
         if start > end {
             Err(error::Error::InvalidBatchRange(s.into()))
         } else {
             Ok((start, end))
         }
-        }
-        None => {
+    } else {
         let batch_number = parse(s)?;
         Ok((batch_number, batch_number))
     }
-    }
 }
 
 /// Parse a duration from a millisecond string