1use thiserror::Error;
4
5#[derive(Debug, Error)]
7pub enum Word2VecError {
8 #[error("Vocabulary is empty — provide a non-empty corpus")]
9 EmptyVocabulary,
10
11 #[error("Word not found in vocabulary: `{0}`")]
12 UnknownWord(String),
13
14 #[error("Embedding dimension must be > 0, got {0}")]
15 InvalidDimension(usize),
16
17 #[error("Window size must be > 0, got {0}")]
18 InvalidWindowSize(usize),
19
20 #[error("Negative samples must be > 0, got {0}")]
21 InvalidNegativeSamples(usize),
22
23 #[error("I/O error: {0}")]
24 Io(#[from] std::io::Error),
25
26 #[error("Serialization error: {0}")]
27 Serialization(#[from] serde_json::Error),
28
29 #[error("Plot error: {0}")]
30 Plot(String),
31
32 #[error("Corpus too small: need at least 2 unique tokens, got {0}")]
33 CorpusTooSmall(usize),
34}
35
36pub type Result<T> = std::result::Result<T, Word2VecError>;