1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82

    
    /// Marks a data type as compatible with the `ocr()` function. 
    
    pub trait Scannable {
        /// Converts the type into a String that can be read by `ocr()`. 
        /// '#' is considered part of a letter and all other chars are considered blank space.
        /// 
        /// To implement `normalize()` for your own data type, translate your data into this
        /// format:
        /// 
        /// .##..###...##.
        /// ##..#.#..#.#..#
        /// ##..#.###..#...
        /// #####.#..#.#...
        /// ##..#.#..#.#..#
        /// ##..#.###...##.
        fn normalize(&self) -> String;
    }
    
    impl Scannable for &str {
        fn normalize(&self) -> String {
            self.to_string()
        }
    }
    impl Scannable for (&Vec<bool>, usize) {
        fn normalize(&self) -> String {
            let (bools, width) = self;
            let width = width.clone();
            let mut output = String::new();
            let height = bools.len() / width;
            for y in 0..height {
                for x in 0..width {
                    output.push(if bools[x + y * width] { '#' } else { '.' });
                }
                output.push('\n');
            }
            output
        }
    }
    
    impl Scannable for (&Vec<char>, usize) {
        fn normalize(&self) -> String {
            let (chars, width) = self;
            let width = width.clone();
            let mut output = String::new();
            let height = chars.len() / width;
            for y in 0..height {
                for x in 0..width {
                    output.push(chars[x + y * width]);
                }
                output.push('\n');
            }
            output
        }
    }
    
    impl Scannable for &Vec<Vec<bool>> {
        fn normalize(&self) -> String {
            let mut output = String::new();
            for row in self.iter() {
                for &cell in row.iter() {
                    output.push(if cell { '#' } else { '.' });
                }
                output.push('\n');
            }
            output
        }
    }
    
    impl Scannable for &Vec<Vec<char>> {
        fn normalize(&self) -> String {
            let mut output = String::new();
            for row in self.iter() {
                for &cell in row.iter() {
                    output.push(cell);
                }
                output.push('\n');
            }
            output
        }
    }