argumentation_weighted_bipolar/
error.rs

1//! Crate error types.
2
3use thiserror::Error;
4
5/// Errors that can occur in the `argumentation-weighted-bipolar` crate.
6#[derive(Debug, Error)]
7pub enum Error {
8    /// An edge weight was non-finite or negative. Mirrors the rule in
9    /// `argumentation-weighted`: weights must be non-negative finite.
10    #[error("invalid edge weight {weight}: weights must be non-negative finite f64")]
11    InvalidWeight {
12        /// The weight that failed validation.
13        weight: f64,
14    },
15
16    /// A budget value was non-finite or negative.
17    #[error("invalid budget {budget}: budgets must be non-negative finite f64")]
18    InvalidBudget {
19        /// The budget that failed validation.
20        budget: f64,
21    },
22
23    /// A framework had more edges (attacks + supports) than the exact
24    /// Dunne 2011 subset enumeration can handle in finite time.
25    #[error("too many edges for exact enumeration: {edges} exceeds limit of {limit}")]
26    TooManyEdges {
27        /// The total edge count.
28        edges: usize,
29        /// The current enumeration limit.
30        limit: usize,
31    },
32
33    /// A support edge was added that made an argument support itself.
34    #[error("illegal self-support: argument cannot be its own necessary supporter")]
35    IllegalSelfSupport,
36
37    /// An error propagated from `argumentation-bipolar`.
38    #[error("bipolar error: {0}")]
39    Bipolar(#[from] argumentation_bipolar::Error),
40
41    /// An error propagated from the core Dung layer.
42    #[error("dung error: {0}")]
43    Dung(#[from] argumentation::Error),
44}
argumentation_weighted_bipolar/error.rs

argumentation_weighted_bipolar/
error.rs
