From 5b8e10394d31f4975ec5402edf21fea28c62bc0d Mon Sep 17 00:00:00 2001
From: Martin von Zweigbergk <martinvonz@google.com>
Date: Fri, 1 Jan 2021 11:07:24 -0800
Subject: [PATCH] transaction: add a message to check for unclosed transaction

I've forgotten to close a transaction a few times and while the
message ('assertion failed: self.closed') is clear to me now, it
probably won't be clear to others or to me in the future.
---
 lib/src/transaction.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/src/transaction.rs b/lib/src/transaction.rs
index 2bee205d4..92ef75768 100644
--- a/lib/src/transaction.rs
+++ b/lib/src/transaction.rs
@@ -195,7 +195,7 @@ impl<'r> Transaction<'r> {
 impl<'r> Drop for Transaction<'r> {
     fn drop(&mut self) {
         if !std::thread::panicking() {
-            assert!(self.closed);
+            assert!(self.closed, "Transaction was dropped without being closed.");
         }
     }
 }