c3_inheritance/
errors.rs

1use std::fmt::{self, Display, Formatter};
2
3/// A type alias for the result of a linearization.
4pub type LinearizeResult<T> = std::result::Result<T, LinearizeError>;
5
6/// A virtual inheritance.
7#[derive(Debug, Clone)]
8pub enum LinearizeError {
9    /// The input class was not found in the graph.
10    NotFound {
11        /// The name of the class that was not found.
12        base: String,
13    },
14    /// The input class was found, but it was not the head of any sequence.
15    BadHead {
16        /// The name of the class that was not the head of any sequence.
17        base: String,
18        /// The name of the class that was the head of the sequence.
19        this: String,
20    },
21    /// A circular dependency was found in the graph.
22    Circular {
23        /// The names of the classes that were involved in the circular dependency.
24        class: String,
25    },
26}
27
28impl Display for LinearizeError {
29    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
30        match self {
31            LinearizeError::NotFound { .. } => write!(f, "cannot find C3-linearization for input"),
32            LinearizeError::BadHead { .. } => write!(f, "cannot find C3-linearization for input"),
33            LinearizeError::Circular { .. } => write!(f, "Circular dependency found"),
34        }
35    }
36}
c3_inheritance/errors.rs

c3_inheritance/
errors.rs
