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Rollup merge of #88601 - ibraheemdev:termination-result-infallible, r=yaahc

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Implement `Termination` for `Result<Infallible, E>`

As noted in #43301, `Result<!, E>` is not usable on stable.
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Yuki Okushi 2021-11-16 09:14:15 +09:00 committed by GitHub
commit c44455af1d
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9
library/std/src/process.rs
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@ -106,6 +106,7 @@ mod tests;
use crate::io::prelude::*;
use crate::convert::Infallible;
use crate::ffi::OsStr;
use crate::fmt;
use crate::fs;
@ -2065,6 +2066,14 @@ impl<E: fmt::Debug> Termination for Result<!, E> {
}
}
#[unstable(feature = "termination_trait_lib", issue = "43301")]
impl<E: fmt::Debug> Termination for Result<Infallible, E> {
fn report(self) -> i32 {
let Err(err) = self;
Err::<!, _>(err).report()
}
}
#[unstable(feature = "termination_trait_lib", issue = "43301")]
impl Termination for ExitCode {
#[inline]