From f8c722fbed03a92d3ee093da6b7f42582fb97509 Mon Sep 17 00:00:00 2001
From: Preetam Jinka <pj@preet.am>
Date: Sat, 17 Sep 2016 12:56:45 -0400
Subject: [PATCH] allow cursors for empty collections; #13

---
 cursor.go | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/cursor.go b/cursor.go
index 6391e83..926a98b 100644
--- a/cursor.go
+++ b/cursor.go
@@ -1,7 +1,5 @@
 package lm2
 
-import "errors"
-
 // Cursor represents a snapshot cursor.
 type Cursor struct {
 	collection *Collection
@@ -16,7 +14,12 @@ func (c *Collection) NewCursor() (*Cursor, error) {
 	c.metaLock.RLock()
 	defer c.metaLock.RUnlock()
 	if c.Head == 0 {
-		return nil, errors.New("lm2: no keys")
+		return &Cursor{
+			collection: c,
+			current:    nil,
+			first:      false,
+			snapshot:   c.LastCommit,
+		}, nil
 	}
 
 	head, err := c.readRecord(c.Head)