From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 library/alloc/src/collections/vec_deque/macros.rs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 library/alloc/src/collections/vec_deque/macros.rs

(limited to 'library/alloc/src/collections/vec_deque/macros.rs')

diff --git a/library/alloc/src/collections/vec_deque/macros.rs b/library/alloc/src/collections/vec_deque/macros.rs
new file mode 100644
index 000000000..5c7913073
--- /dev/null
+++ b/library/alloc/src/collections/vec_deque/macros.rs
@@ -0,0 +1,19 @@
+macro_rules! __impl_slice_eq1 {
+    ([$($vars:tt)*] $lhs:ty, $rhs:ty, $($constraints:tt)*) => {
+        #[stable(feature = "vec_deque_partial_eq_slice", since = "1.17.0")]
+        impl<T, U, A: Allocator, $($vars)*> PartialEq<$rhs> for $lhs
+        where
+            T: PartialEq<U>,
+            $($constraints)*
+        {
+            fn eq(&self, other: &$rhs) -> bool {
+                if self.len() != other.len() {
+                    return false;
+                }
+                let (sa, sb) = self.as_slices();
+                let (oa, ob) = other[..].split_at(sa.len());
+                sa == oa && sb == ob
+            }
+        }
+    }
+}
-- 
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