From 3b087bf3e284165df4b084b9360077cd8f1022e1 Mon Sep 17 00:00:00 2001
From: Sebastian Thiel <sebastian.thiel@icloud.com>
Date: Wed, 14 Apr 2021 16:30:53 +0800
Subject: [PATCH] Assuure Delegate is Send (#271)

---
 src/rust/api/client.rs | 2 +-
 src/rust/lib.rs        | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/rust/api/client.rs b/src/rust/api/client.rs
index 96ae45f991..de2b3ba298 100644
--- a/src/rust/api/client.rs
+++ b/src/rust/api/client.rs
@@ -103,7 +103,7 @@ pub struct ServerMessage {
 ///
 /// It contains methods to deal with all common issues, as well with the ones related to
 /// uploading media
-pub trait Delegate {
+pub trait Delegate: Send {
     /// Called at the beginning of any API request. The delegate should store the method
     /// information if he is interesting in knowing more context when further calls to it
     /// are made.
diff --git a/src/rust/lib.rs b/src/rust/lib.rs
index acd9febc4d..378d92243c 100644
--- a/src/rust/lib.rs
+++ b/src/rust/lib.rs
@@ -97,6 +97,15 @@ bar\r\n\
             Ok(Chunk { first: 2, last: 42 })
         )
     }
+
+    #[test]
+    fn dyn_delegate_is_send() {
+        fn with_send(x: impl Send) {}
+
+        let mut dd = DefaultDelegate::default();
+        let dlg: &mut dyn Delegate = &mut dd;
+        with_send(dlg);
+    }
 }
 
 #[cfg(test)]