haystack_core/kinds/
symbol.rs

1use std::fmt;
2
3/// Reference to a def/tag definition name.
4/// Zinc: `^hot-water`
5#[derive(Debug, Clone, PartialEq, Eq, Hash)]
6pub struct Symbol(pub String);
7
8impl Symbol {
9    pub fn new(val: impl Into<String>) -> Self {
10        Self(val.into())
11    }
12
13    pub fn val(&self) -> &str {
14        &self.0
15    }
16}
17
18impl fmt::Display for Symbol {
19    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
20        write!(f, "^{}", self.0)
21    }
22}
23
24#[cfg(test)]
25mod tests {
26    use super::*;
27
28    #[test]
29    fn symbol_display() {
30        let s = Symbol::new("hot-water");
31        assert_eq!(s.to_string(), "^hot-water");
32    }
33
34    #[test]
35    fn symbol_equality() {
36        assert_eq!(Symbol::new("site"), Symbol::new("site"));
37        assert_ne!(Symbol::new("site"), Symbol::new("equip"));
38    }
39
40    #[test]
41    fn symbol_val() {
42        assert_eq!(Symbol::new("ahu").val(), "ahu");
43    }
44}
haystack_core/kinds/symbol.rs

haystack_core/kinds/
symbol.rs
