From 24c1b739bf5162112d0dcaae4fa66775cfb159e5 Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume1.gomez@gmail.com>
Date: Thu, 30 May 2019 19:12:31 +0200
Subject: [PATCH] Implement Termination for Option<T: Termination>
---
src/libstd/process.rs | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/src/libstd/process.rs b/src/libstd/process.rs
index 6e4c6e4c366e4..99e2becedcbad 100644
--- a/src/libstd/process.rs
+++ b/src/libstd/process.rs
@@ -1625,6 +1625,16 @@ impl<E: fmt::Debug> Termination for Result<(), E> {
}
}
+#[unstable(feature = "termination_trait_lib", issue = "43301")]
+impl<T: Termination> Termination for Option<T> {
+ fn report(self) -> i32 {
+ match self {
+ Some(v) => v.report(),
+ None => 1,
+ }
+ }
+}
+
#[unstable(feature = "termination_trait_lib", issue = "43301")]
impl Termination for ! {
fn report(self) -> i32 { self }