zip to copy results

src/qrcode/decoder/decoder.rs

@@ -215,9 +215,9 @@ fn correctErrors(codewordBytes: &mut [u8], numDataCodewords: usize) -> Result<()
 
     // Copy back into array of bytes -- only need to worry about the bytes that were data
     // We don't care about errors in the error-correction codewords
-    for i in 0..numDataCodewords {
-        // for (int i = 0; i < numDataCodewords; i++) {
-        codewordBytes[i] = sending_code_words[i] as u8;
+    for (code_word, sent_code_word ) in codewordBytes.iter_mut().zip(sending_code_words.iter()).take(numDataCodewords){
+       *code_word = *sent_code_word as u8;
     }
+    
     Ok(())
 }