Merge pull request #595 from namore/add_warning_foreach_keys

Update README.md
etcd-io · Sep 13, 2016 · fff57c1 · fff57c1
2 parents 9dffd9d + 1e271f5
commit fff57c1
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -448,6 +448,10 @@ db.View(func(tx *bolt.Tx) error {
 })
 ```
 
+Please note that keys and values in `ForEach()` are only valid while
+the transaction is open. If you need to use a key or value outside of
+the transaction, you must use `copy()` to copy it to another byte
+slice.
 
 ### Nested buckets