figyel_grrs_0001/
lib.rs

1/// find a match for a pattern in content and write to a data stream
2pub fn find_matches(content: &str, pattern: &str, mut writer: impl std::io::Write) {
3    for line in content.lines() {
4        if line.contains(pattern) {
5            let result = writeln!(writer, "{}", line);
6            match result {
7                Ok(message) => { message }
8                Err(error) => { println!("Oh noes: {}", error); }
9            }
10        }
11    }
12}