From 003ac98771e6f8c4ba6b9878a925f61cc9d6c6e5 Mon Sep 17 00:00:00 2001
From: Owen Avery <powerboat9.gamer@gmail.com>
Date: Fri, 19 May 2023 13:15:34 -0400
Subject: Add operator== for Optional.

gcc/rust/ChangeLog:

	* util/rust-optional.h
	(operator==): New for Optional<T> == Optional<U>.

Signed-off-by: Owen Avery <powerboat9.gamer@gmail.com>
---
 gcc/rust/util/rust-optional.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'gcc')

diff --git a/gcc/rust/util/rust-optional.h b/gcc/rust/util/rust-optional.h
index e3593a1..d3dfb7f 100644
--- a/gcc/rust/util/rust-optional.h
+++ b/gcc/rust/util/rust-optional.h
@@ -250,6 +250,16 @@ public:
   }
 };
 
+template <typename T, typename U>
+bool
+operator== (const Optional<T> &t, const Optional<U> &u)
+{
+  if (t.is_some ())
+    return u.is_some () && t.get () == u.get ();
+  else
+    return u.is_none ();
+}
+
 } // namespace Rust
 
 namespace std {
-- 
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