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/// Type for errors returned by this crate.
#[derive(Debug)]
pub enum Error {
/// error reading from stdin
ReadStdin(std::io::Error),
/// error setting terminal mode
SetTerminalMode(nix::Error),
/// error writing to stdout
WriteStdout(std::io::Error),
}
impl std::fmt::Display for Error {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Self::ReadStdin(e) => {
write!(f, "error reading from stdin: {e}")
}
Self::SetTerminalMode(e) => {
write!(f, "error setting terminal mode: {e}")
}
Self::WriteStdout(e) => {
write!(f, "error writing to stdout: {e}")
}
}
}
}
impl std::error::Error for Error {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
match self {
Self::ReadStdin(e) | Self::WriteStdout(e) => Some(e),
Self::SetTerminalMode(e) => Some(e),
}
}
}
/// Convenience wrapper for a `Result` using `textmode::Error`.
pub type Result<T> = std::result::Result<T, Error>;
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