rakh/
lib.rs

1use std::collections::HashMap;
2use thiserror::Error;
3
4#[derive(Error, Debug)]
5pub enum Error {
6    #[error("No Key Given")]
7    NoKeyGiven,
8}
9
10pub fn interpret(code: &str) -> Result<HashMap<&str, &str>, Error> {
11    let mut hashmap: HashMap<&str, &str> = HashMap::new();
12    for line in code.lines() {
13        if line.is_empty() {
14            continue;
15        };
16        match line.split_once(':') {
17            Some((key, value)) => {
18                if key.is_empty() {
19                    return Err(Error::NoKeyGiven);
20                }
21
22                hashmap.insert(key, value);
23            }
24
25            None => {
26                return Err(Error::NoKeyGiven);
27            }
28        };
29    }
30
31    Ok(hashmap)
32}
33
34#[cfg(test)]
35mod tests {
36    use crate::interpret;
37
38    #[test]
39    fn parsing_works() {
40        let config =
41            interpret("rust_is_awesome:true\ndeno_is_uncool:false\nname_of_cute_crab:Ferris!")
42                .unwrap();
43
44        assert_eq!(config.get("rust_is_awesome").unwrap(), &"true");
45        assert_eq!(config.get("deno_is_uncool").unwrap(), &"false");
46        assert_eq!(config.get("name_of_cute_crab").unwrap(), &"Ferris!");
47    }
48}
rakh/lib.rs

rakh/
lib.rs
