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use std::fmt;
use failure::{Backtrace, Context, Fail};
#[derive(Debug)]
pub struct GetInterfaceError {
inner: Context<GetInterfaceErrorKind>,
}
impl From<GetInterfaceErrorKind> for GetInterfaceError {
fn from(kind: GetInterfaceErrorKind) -> GetInterfaceError {
GetInterfaceError {
inner: Context::new(kind),
}
}
}
impl From<Context<GetInterfaceErrorKind>> for GetInterfaceError {
fn from(inner: Context<GetInterfaceErrorKind>) -> GetInterfaceError {
GetInterfaceError { inner }
}
}
#[derive(Clone, Eq, PartialEq, Debug, Fail)]
pub enum GetInterfaceErrorKind {
#[fail(display = "{}", _0)]
PermissionError(String),
#[fail(display = "{}", _0)]
OtherError(String),
}
impl Fail for GetInterfaceError {
fn cause(&self) -> Option<&dyn Fail> {
self.inner.cause()
}
fn backtrace(&self) -> Option<&Backtrace> {
self.inner.backtrace()
}
}
impl fmt::Display for GetInterfaceError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
fmt::Display::fmt(&self.inner, f)
}
}
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