vendor/similar/examples/terminal.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

use console::Style;
use similar::{ChangeTag, TextDiff};

fn main() {
    let diff = TextDiff::from_lines(
        "Hello World\nThis is the second line.\nThis is the third.",
        "Hallo Welt\nThis is the second line.\nThis is life.\nMoar and more",
    );

    for op in diff.ops() {
        for change in diff.iter_changes(op) {
            let (sign, style) = match change.tag() {
                ChangeTag::Delete => ("-", Style::new().red()),
                ChangeTag::Insert => ("+", Style::new().green()),
                ChangeTag::Equal => (" ", Style::new()),
            };
            print!("{}{}", style.apply_to(sign).bold(), style.apply_to(change));
        }
    }
}