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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)
}
}