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Implement Termination for Result<Infallible, E> #88601

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merged 2 commits into from
Nov 16, 2021
Merged

Implement Termination for Result<Infallible, E> #88601

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2bdd075
implement `Termination` for `Result<Infallible, E>`
ibraheemdev Sep 2, 2021
2433d37
simplify `impl Termination for Result<Infallible, E>`
ibraheemdev Sep 3, 2021
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9 changes: 9 additions & 0 deletions library/std/src/process.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,7 @@ mod tests;

use crate::io::prelude::*;

use crate::convert::Infallible;
use crate::ffi::OsStr;
use crate::fmt;
use crate::fs;
Expand Down Expand Up @@ -2051,6 +2052,14 @@ 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]
Expand Down