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>
---
 src/test/ui/issues/issue-16668.rs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 src/test/ui/issues/issue-16668.rs

(limited to 'src/test/ui/issues/issue-16668.rs')

diff --git a/src/test/ui/issues/issue-16668.rs b/src/test/ui/issues/issue-16668.rs
new file mode 100644
index 000000000..92efb42fe
--- /dev/null
+++ b/src/test/ui/issues/issue-16668.rs
@@ -0,0 +1,20 @@
+// check-pass
+#![allow(dead_code)]
+struct Parser<'a, I, O> {
+    parse: Box<dyn FnMut(I) -> Result<O, String> + 'a>
+}
+
+impl<'a, I: 'a, O: 'a> Parser<'a, I, O> {
+    fn compose<K: 'a>(mut self, mut rhs: Parser<'a, O, K>) -> Parser<'a, I, K> {
+        Parser {
+            parse: Box::new(move |x: I| {
+                match (self.parse)(x) {
+                    Ok(r) => (rhs.parse)(r),
+                    Err(e) => Err(e)
+                }
+            })
+        }
+    }
+}
+
+fn main() {}
-- 
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