From 885f4156d4278f392d25f7b7fc5be7cb15ce94af Mon Sep 17 00:00:00 2001
From: Milan Vukov <mvukov@gmail.com>
Date: Mon, 25 Nov 2024 22:49:33 +0100
Subject: [PATCH] Add Publisher::can_loan_msgs (#434)

* Add Publisher::can_loan_msgs

* Fix formatting
---
 rclrs/src/publisher.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/rclrs/src/publisher.rs b/rclrs/src/publisher.rs
index 2935ca322..b1cdd93b9 100644
--- a/rclrs/src/publisher.rs
+++ b/rclrs/src/publisher.rs
@@ -229,6 +229,11 @@ where
             msg_ptr: msg_ptr as *mut T,
         })
     }
+
+    /// Returns true if message loans are possible, false otherwise.
+    pub fn can_loan_messages(&self) -> bool {
+        unsafe { rcl_publisher_can_loan_messages(&*self.handle.rcl_publisher.lock().unwrap()) }
+    }
 }
 
 /// Convenience trait for [`Publisher::publish`].