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/// Error type for errors from this crate
#[derive(Debug)]
pub enum Error {
/// error came from std::io::Error
Io(std::io::Error),
/// error came from nix::Error
Nix(nix::Error),
/// unsplit was called on halves of two different ptys
#[cfg(feature = "async")]
Unsplit(crate::OwnedReadPty, crate::OwnedWritePty),
}
impl std::fmt::Display for Error {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Self::Io(e) => write!(f, "{}", e),
Self::Nix(e) => write!(f, "{}", e),
#[cfg(feature = "async")]
Self::Unsplit(..) => {
write!(f, "unsplit called on halves of two different ptys")
}
}
}
}
impl std::convert::From<std::io::Error> for Error {
fn from(e: std::io::Error) -> Self {
Self::Io(e)
}
}
impl std::convert::From<nix::Error> for Error {
fn from(e: nix::Error) -> Self {
Self::Nix(e)
}
}
impl std::error::Error for Error {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
match self {
Self::Io(e) => Some(e),
Self::Nix(e) => Some(e),
#[cfg(feature = "async")]
Self::Unsplit(..) => None,
}
}
}
/// Convenience wrapper for `Result`s using [`Error`](Error)
pub type Result<T> = std::result::Result<T, Error>;
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