Refactor node lookup.

1 files changed, 6 insertions, 0 deletions

diff --git a/page.go b/page.go
index 7c5a91c..f4dd19c 100644
--- a/page.go
+++ b/page.go
@@ -33,6 +33,12 @@ type page struct {
 	ptr      uintptr
 }
 
+// pageElementRef represents a reference to an element on a given page.
+type pageElementRef struct {
+	page  *page
+	index uint16
+}
+
 // typ returns a human readable page type string used for debugging.
 func (p *page) typ() string {
 	if (p.flags & p_branch) != 0 {