···

       
7
       
7
       
 
       
            let (loc, max) = bank[bank_index..bank_len - i]

     

       
8
       
8
       
 
       
                .iter()

     

       
9
       
9
       
 
       
                .enumerate()

     

       
10
       
10
       
-
       
                .fold((0_usize, &0_u64), |(maxi, max), (i, n)| {

     

       
11
       
11
       
-
       
                    if n > max { (i, n) } else { (maxi, max) }

     

       
12
       
12
       
-
       
                });

     

       
10
       
10
       
+
       
                .reduce(

     

       
11
       
11
       
+
       
                    |(maxi, max), (i, n)| {

     

       
12
       
12
       
+
       
                        if n > max { (i, n) } else { (maxi, max) }

     

       
13
       
13
       
+
       
                    },

     

       
14
       
14
       
+
       
                )

     

       
15
       
15
       
+
       
                // #yup #i'm unwrapping #idontwannausefold

     

       
16
       
16
       
+
       
                .unwrap();

     

       
13
       
17
       
 
       


     

       
14
       
18
       
 
       
            ((number * 10) + max, bank_index + loc + 1)

     

       
15
       
19
       
 
       
        });