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pub type LinkResult<T> = Result<T, LinkError>;
use std::error::Error;
use std::fmt;
use std::io;
use std::process::Output;
#[derive(Debug)]
pub enum LinkError {
Cmd(Output),
IO(io::Error),
}
impl From<Output> for LinkError {
fn from(o: Output) -> Self {
LinkError::Cmd(o)
}
}
impl From<io::Error> for LinkError {
fn from(e: io::Error) -> Self {
LinkError::IO(e)
}
}
impl fmt::Display for LinkError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
Self::IO(e) => write!(f, "{}", e),
Self::Cmd(o) => write!(f, "command exied with code \"{}\"", o.status),
}
}
}
impl Error for LinkError {
fn source(&self) -> Option<&(dyn Error + 'static)> {
match self {
Self::IO(e) => Some(e),
Self::Cmd(_) => None,
}
}
}