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use failure::Fail;
use std::io;
#[derive(Fail, Debug)]
pub enum RiamError {
#[fail(display = "IO error: {}", _0)]
Io(#[cause] io::Error),
#[fail(display = "serde_json error: {}", _0)]
Serde(#[cause] serde_json::Error),
#[fail(display = "Invalid policy")]
InvalidPolicy,
#[fail(display = "Invalid policy")]
UnknownPolicy,
}
impl From<io::Error> for RiamError {
fn from(err: io::Error) -> RiamError {
RiamError::Io(err)
}
}
impl From<serde_json::Error> for RiamError {
fn from(err: serde_json::Error) -> RiamError {
RiamError::Serde(err)
}
}
pub type Result<T> = std::result::Result<T, RiamError>;