turbofish/
turbofish.rs

1use elyze::matcher::Match;
2
3/// Pattern to match.
4const TURBOFISH: [char; 4] = [':', ':', '<', '>'];
5
6/// Handle turbofish operator.
7struct Turbofish;
8
9/// Match turbofish operator.
10impl Match<char> for Turbofish {
11    fn is_matching(&self, data: &[char]) -> (bool, usize) {
12        let pattern = &TURBOFISH;
13        if data.len() < pattern.len() {
14            return (false, 0);
15        }
16        if &data[..pattern.len()] == pattern {
17            return (true, pattern.len());
18        }
19        (false, 0)
20    }
21
22    fn size(&self) -> usize {
23        TURBOFISH.len()
24    }
25}
26
27fn main() {
28    let data = [':', ':', '<', '>', 'b'];
29    let scanner = elyze::scanner::Scanner::new(&data);
30    let result = Turbofish.is_matching(&scanner);
31    println!("{:?}", result); // ( true, 4 ) because the turbofish operator is 4 char
32
33    let data = ['a', ':', ':', '<', '>', 'b'];
34    let scanner = elyze::scanner::Scanner::new(&data);
35    let result = Turbofish.is_matching(&scanner);
36    println!("{:?}", result); // ( false, 0 ) because doesn't match the turbofish operator
37}
turbofish/turbofish.rs

turbofish/
turbofish.rs
