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pub type GhostResult<T> = Result<T, GhostError>;
#[derive(Debug, Clone, PartialEq)]
pub struct GhostError(Box<ErrorKind>);
impl GhostError {
pub fn new(kind: ErrorKind) -> Self {
GhostError(Box::new(kind))
}
pub fn kind(&self) -> &ErrorKind {
&self.0
}
pub fn into_kind(self) -> ErrorKind {
*self.0
}
}
#[derive(Debug, Clone, PartialEq)]
pub enum ErrorKind {
Multiple(Vec<GhostError>),
RequestIdNotFound(String),
Other(String),
EndpointDisconnected,
#[doc(hidden)]
__Nonexhaustive,
}
impl std::error::Error for GhostError {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
match *self.0 {
_ => None,
}
}
}
impl std::fmt::Display for GhostError {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
match *self.0 {
ErrorKind::Multiple(ref s) => write!(f, "Multiple {{{:?}}}", s),
ErrorKind::RequestIdNotFound(ref s) => write!(f, "RequestIdNotFound {{{:?}}}", s),
ErrorKind::Other(ref s) => write!(f, "Unknown error encountered: '{}'.", s),
_ => unreachable!(),
}
}
}
impl From<Vec<GhostError>> for GhostError {
fn from(m: Vec<GhostError>) -> Self {
GhostError::new(ErrorKind::Multiple(m))
}
}
impl From<String> for GhostError {
fn from(s: String) -> Self {
GhostError::new(ErrorKind::Other(s))
}
}
impl From<&str> for GhostError {
fn from(s: &str) -> Self {
GhostError::new(ErrorKind::Other(s.to_string()))
}
}
impl<T> From<crossbeam_channel::SendError<T>> for GhostError {
fn from(e: crossbeam_channel::SendError<T>) -> Self {
GhostError::new(ErrorKind::Other(format!("{:?}", e)))
}
}