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khive_fold/objective/
error.rs

1//! Objective error types
2
3use thiserror::Error;
4
5/// Objective function error type
6#[derive(Debug, Error)]
7pub enum ObjectiveError {
8    /// No candidates to select from
9    #[error("No candidates available")]
10    NoCandidates,
11
12    /// No candidate met the selection criteria
13    #[error("No candidate met criteria: {0}")]
14    NoMatch(String),
15
16    /// Invalid objective configuration
17    #[error("Invalid configuration: {0}")]
18    InvalidConfig(String),
19
20    /// Objective not found in registry
21    #[error("Objective not found: {0}")]
22    NotFound(String),
23
24    /// Scoring error
25    #[error("Scoring error: {0}")]
26    Scoring(String),
27
28    /// Fold error
29    #[error("Fold error: {0}")]
30    Fold(#[from] crate::FoldError),
31}
32
33/// Objective result type
34pub type ObjectiveResult<T> = Result<T, ObjectiveError>;
35
36#[cfg(test)]
37#[path = "error_tests.rs"]
38mod tests;