refactor numeric decoding for improved readability and maintainability

Author: lovasoa

sqlx-core/src/mssql/types/decimal.rs

@@ -73,7 +73,7 @@ impl Decode<'_, Mssql> for Decimal {
 
 fn decode_numeric(bytes: &[u8], _precision: u8, scale: u8) -> Result<Decimal, BoxDynError> {
     let (sign, numerator) = decode_numeric_bytes(bytes)?;
-    
+
     // Try to convert to i128 to handle larger values than i64
     let signed_numerator = match i128::try_from(numerator) {
         Ok(val) => sign as i128 * val,
@@ -83,9 +83,13 @@ fn decode_numeric(bytes: &[u8], _precision: u8, scale: u8) -> Result<Decimal, Bo
                 numerator,
                 i128::MAX,
                 i128::MIN
-            ).into());
+            )
+            .into());
         }
     };
-    
-    Ok(Decimal::from_i128_with_scale(signed_numerator, u32::from(scale)))
+
+    Ok(Decimal::from_i128_with_scale(
+        signed_numerator,
+        u32::from(scale),
+    ))
 }