warning cleanup

src/qrcode/decoder/data_block.rs

@@ -64,11 +64,11 @@ impl DataBlock {
     let ecBlocks = version.getECBlocksForLevel(ecLevel);
 
     // First count the total number of data blocks
-    let mut totalBlocks = 0;
+    let mut _totalBlocks = 0;
     let ecBlockArray = ecBlocks.getECBlocks();
     for ecBlock in ecBlockArray {
     // for (Version.ECB ecBlock : ecBlockArray) {
-      totalBlocks += ecBlock.getCount();
+      _totalBlocks += ecBlock.getCount();
     }
 
     // Now establish DataBlocks of the appropriate size and number of data codewords

src/qrcode/decoder/decoder.rs

@@ -36,7 +36,7 @@ use super::{decoded_bit_stream_parser, BitMatrixParser, DataBlock, QRCodeDecoder
 
 lazy_static! {
  //rsDecoder = new ReedSolomonDecoder(GenericGF.QR_CODE_FIELD_256);
- static ref rsDecoder : ReedSolomonDecoder = ReedSolomonDecoder::new(get_predefined_genericgf(PredefinedGenericGF::QrCodeField256));
+ static ref RS_DECODER : ReedSolomonDecoder = ReedSolomonDecoder::new(get_predefined_genericgf(PredefinedGenericGF::QrCodeField256));
 }
 
 pub fn decode_bool_array(image: &Vec<Vec<bool>>) -> Result<DecoderRXingResult, Exceptions> {
@@ -200,7 +200,7 @@ fn correctErrors(codewordBytes: &mut [u8], numDataCodewords: usize) -> Result<()
 
     let mut sending_code_words : Vec<i32> = codewordsInts.iter().map(|x| *x as i32).collect();
 
-    if let Err(e) = rsDecoder.decode(
+    if let Err(e) = RS_DECODER.decode(
         &mut sending_code_words,
         (codewordBytes.len() - numDataCodewords) as i32,
     ) {

src/qrcode/decoder/format_information.rs

@@ -134,7 +134,7 @@ impl FormatInformation {
             if masked_format_info1 != masked_format_info2 {
                 // also try the other option
                 bits_difference = Self::numBitsDiffering(masked_format_info2, targetInfo);
-                if (bits_difference < best_difference) {
+                if bits_difference < best_difference {
                     best_format_info = decodeInfo[1] as u8;
                     best_difference = bits_difference;
                 }