dlscan_error 0.1.1

A tool to download scan from different sources
Documentation 
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/*
** EPITECH PROJECT, 2019
** dlscan
** File description:
** main.rs
*/

extern crate json;
extern crate reqwest;
extern crate rusqlite;
extern crate zip;

use std::{error, fmt, result, io};

pub type Result<T> = result::Result<T, Error>;

#[derive(Debug)]
pub enum Error {
    Io(io::Error),
    Json(json::Error),
    Reqwest(reqwest::Error),
    Rusqlite(rusqlite::Error),
    Zip(zip::result::ZipError),
}

impl fmt::Display for Error {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        match *self {
            Error::Io(ref e) => e.fmt(f),
            Error::Json(ref e) => e.fmt(f),
            Error::Reqwest(ref e) => e.fmt(f),
            Error::Rusqlite(ref e) => e.fmt(f),
            Error::Zip(ref e) => e.fmt(f),
        }
    }
}

impl error::Error for Error {
    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
        match *self {
            Error::Io(ref e) => Some(e),
            Error::Json(ref e) => Some(e),
            Error::Reqwest(ref e) => Some(e),
            Error::Rusqlite(ref e) => Some(e),
            Error::Zip(ref e) => Some(e),
        }
    }
}

impl From<io::Error> for Error {
    fn from(err: io::Error) -> Error {
        Error::Io(err)
    }
}

impl From<json::Error> for Error {
    fn from(err: json::Error) -> Error {
        Error::Json(err)
    }
}

impl From<reqwest::Error> for Error {
    fn from(err: reqwest::Error) -> Error {
        Error::Reqwest(err)
    }
}

impl From<rusqlite::Error> for Error {
    fn from(err: rusqlite::Error) -> Error {
        Error::Rusqlite(err)
    }
}

impl From<zip::result::ZipError> for Error {
    fn from(err: zip::result::ZipError) -> Error {
        Error::Zip(err)
    }
}