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

…=yaahc Implement `Termination` for `Result<Infallible, E>` As noted in #43301, `Result<!, E>` is not usable on stable.
rust-lang · Nov 16, 2021 · c44455a · c44455a
2 parents 73ec27d + 2433d37
commit c44455a
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/library/std/src/process.rs b/library/std/src/process.rs
@@ -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]