1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

use std::fmt;
use std::io;

#[derive(Debug)]
pub enum Error {
    IoError(io::Error),
    FormatError(String),
    TransformationError(String),
    OutputError(io::Error),
}

impl fmt::Display for Error {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        match self {
            Error::IoError(err) => write!(f, "IO Error: {}", err),
            Error::FormatError(msg) => write!(f, "Format Error: {}", msg),
            Error::TransformationError(msg) => write!(f, "Transformation Error: {}", msg),
            Error::OutputError(err) => write!(f, "Output Error: {}", err),
        }
    }
}

impl std::error::Error for Error {}