diff --git a/listhead.go b/listhead.go
index fd66a91..bcb388f 100644
--- a/listhead.go
+++ b/listhead.go
@@ -103,6 +103,10 @@ func (this *ListHead) isCursor() bool {
 	return this.data == this
 }
 
+func (this *ListHead) IsFirst(entry* ListHead) bool {
+	return this.next == entry
+}
+
 func (this *ListHead) ForEach(cb ListHead_Foreach_Func) {
 	for pos := this.next; pos != this; pos = pos.next {
 		if !cb(pos.data) {