lawkit_core/
error.rs

1use serde_json;
2use std::fmt;
3use std::io; // serde_json をインポート
4
5#[derive(Debug, Clone)]
6pub enum BenfError {
7    InvalidInput(String),
8    NetworkError(String),
9    FileError(String),
10    ParseError(String),
11    NoNumbersFound,
12    InsufficientData(usize),
13    IoError(String),            // 新しいバリアントを追加
14    SerializationError(String), // 新しいバリアントを追加
15}
16
17impl fmt::Display for BenfError {
18    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
19        match self {
20            BenfError::InvalidInput(msg) => write!(f, "Invalid input: {msg}"),
21            BenfError::NetworkError(msg) => write!(f, "Network error: {msg}"),
22            BenfError::FileError(msg) => write!(f, "File error: {msg}"),
23            BenfError::ParseError(msg) => write!(f, "Parse error: {msg}"),
24            BenfError::NoNumbersFound => write!(f, "No numbers found in input"),
25            BenfError::InsufficientData(count) => {
26                write!(
27                    f,
28                    "Insufficient data for analysis: {count} numbers (minimum 30 recommended)"
29                )
30            }
31            BenfError::IoError(msg) => write!(f, "I/O error: {msg}"),
32            BenfError::SerializationError(msg) => write!(f, "Serialization error: {msg}"),
33        }
34    }
35}
36
37impl std::error::Error for BenfError {}
38
39pub type Result<T> = std::result::Result<T, BenfError>;
40
41// Lawkit用のエラー型（BenfErrorのエイリアス）
42pub type LawkitError = BenfError;
43
44impl From<io::Error> for BenfError {
45    fn from(err: io::Error) -> Self {
46        BenfError::IoError(err.to_string())
47    }
48}
49
50impl From<serde_json::Error> for BenfError {
51    fn from(err: serde_json::Error) -> Self {
52        BenfError::SerializationError(err.to_string())
53    }
54}
lawkit_core/error.rs

lawkit_core/
error.rs
