v0: one more chars to bytes convert

Author: klensy

src/v0.rs

@@ -1057,8 +1057,8 @@ impl<'a, 'b, 's> Printer<'a, 'b, 's> {
         }
 
         let mut v = 0;
-        for c in hex.chars() {
-            v = (v << 4) | (c.to_digit(16).unwrap() as u64);
+        for c in hex.bytes() {
+            v = (v << 4) | ((c as char).to_digit(16).unwrap() as u64);
         }
         v.fmt(self.out.inner)
     }