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>
---
 .../defaultimpl/auxiliary/go_trait.rs              | 43 ++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 src/test/ui/specialization/defaultimpl/auxiliary/go_trait.rs

(limited to 'src/test/ui/specialization/defaultimpl/auxiliary')

diff --git a/src/test/ui/specialization/defaultimpl/auxiliary/go_trait.rs b/src/test/ui/specialization/defaultimpl/auxiliary/go_trait.rs
new file mode 100644
index 000000000..c065593b4
--- /dev/null
+++ b/src/test/ui/specialization/defaultimpl/auxiliary/go_trait.rs
@@ -0,0 +1,43 @@
+#![feature(specialization)]
+
+// Common code used for tests that model the Fn/FnMut/FnOnce hierarchy.
+
+pub trait Go {
+    fn go(&self, arg: isize);
+}
+
+pub fn go<G:Go>(this: &G, arg: isize) {
+    this.go(arg)
+}
+
+pub trait GoMut {
+    fn go_mut(&mut self, arg: isize);
+}
+
+pub fn go_mut<G:GoMut>(this: &mut G, arg: isize) {
+    this.go_mut(arg)
+}
+
+pub trait GoOnce {
+    fn go_once(self, arg: isize);
+}
+
+pub fn go_once<G:GoOnce>(this: G, arg: isize) {
+    this.go_once(arg)
+}
+
+default impl<G> GoMut for G
+    where G : Go
+{
+    fn go_mut(&mut self, arg: isize) {
+        go(&*self, arg)
+    }
+}
+
+default impl<G> GoOnce for G
+    where G : GoMut
+{
+    fn go_once(mut self, arg: isize) {
+        go_mut(&mut self, arg)
+    }
+}
-- 
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