ravenlang 0.5.0

Language core for ravencheck.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41

/// Identifiers, which may be variable names or function names.
///
/// Variable names may be automatically generated.
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub enum Ident {
    Manual(String),
    Auto(u32),
}

impl Ident {
    pub fn as_string(&self) -> String {
        match self {
            Self::Manual(s) => format!("x_{}", s),
            Self::Auto(n) => format!("xn_{}", n),
        }
    }
    pub fn as_symbol_string(&self) -> String {
        match self {
            Self::Manual(s) => format!("{}", s),
            x => panic!("Can't format {:?} as a symbol name", x),
        }
    }
    pub fn new<T: ToString>(s: T) -> Self {
        Self::Manual(s.to_string())
    }
    pub fn auto(n: u32) -> Self {
        Self::Auto(n)
    }
    pub fn unwrap_manual(self) -> String {
        match self {
            Self::Manual(s) => s,
            x => format!("Tried to unwrap manual Ident, got {:?}", x),
        }
    }
}

impl From<&str> for Ident {
    fn from(s: &str) -> Self {
        Self::new(s.to_string())
    }
}