From 892dea0fb7b755dd78d27ac863a823db6bf1d2be Mon Sep 17 00:00:00 2001
From: pavel-mukhanov <mukhanovpv@gmail.com>
Date: Tue, 9 Jul 2019 12:49:03 +0300
Subject: [PATCH] Add changelog and comment.

---
 CHANGELOG.md | 6 ++++++
 src/db.rs    | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 117b034..be588ba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 0.12.3
+
+### Changes
+
+* Added `Sync` and `Send` implementations to `Snapshot` (pavel-mukhanov)
+
 ## 0.12.2 (2019-05-03)
 
 ### Changes
diff --git a/src/db.rs b/src/db.rs
index c799b01..c59a871 100644
--- a/src/db.rs
+++ b/src/db.rs
@@ -104,6 +104,8 @@ pub struct Snapshot<'a> {
     inner: *const ffi::rocksdb_snapshot_t,
 }
 
+/// `Send` and `Sync` implementations for `Snapshot` are safe, because `Snapshot` is
+/// immutable and can be safely shared between threads.
 unsafe impl<'a> Send for Snapshot<'a> {}
 unsafe impl<'a> Sync for Snapshot<'a> {}