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authorBen Johnson <benbjohnson@yahoo.com>2014-11-27 17:18:05 -0700
committerBen Johnson <benbjohnson@yahoo.com>2014-11-27 17:18:05 -0700
commit74489c7516ec9fcd5f2e79502c16900a254af647 (patch)
treec300926c20844bab69cfc3d0dadd3279679462c0
parentMerge pull request #265 from benbjohnson/arm (diff)
downloaddedo-74489c7516ec9fcd5f2e79502c16900a254af647.tar.gz
dedo-74489c7516ec9fcd5f2e79502c16900a254af647.tar.xz
Clarify cursor behavior after mutation.
-rw-r--r--cursor.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/cursor.go b/cursor.go
index 90a1867..3bfc2f1 100644
--- a/cursor.go
+++ b/cursor.go
@@ -8,6 +8,10 @@ import (
// Cursor represents an iterator that can traverse over all key/value pairs in a bucket in sorted order.
// Cursors see nested buckets with value == nil.
// Cursors can be obtained from a transaction and are valid as long as the transaction is open.
+//
+// Changing data while traversing with a cursor may cause it to be invalidated
+// and return unexpected keys and/or values. You must reposition your cursor
+// after mutating data.
type Cursor struct {
bucket *Bucket
stack []elemRef