From 35a599b2846de3d673fbcffbacc95bc4ef2e77c7 Mon Sep 17 00:00:00 2001
From: Celestino Amoroso <celestino.amoroso@gmail.com>
Date: Mon, 18 May 2026 08:56:44 +0200
Subject: [PATCH] operator length # supports linked-list

---
 operator-length.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/operator-length.go b/operator-length.go
index 057b576..914b0c6 100644
--- a/operator-length.go
+++ b/operator-length.go
@@ -37,6 +37,8 @@ func evalLength(ctx kern.ExprContext, opTerm *scan.Term) (v any, err error) {
 	} else if kern.IsDict(childValue) {
 		m, _ := childValue.(*kern.DictType)
 		v = int64(len(*m))
+	} else if lls, ok := childValue.(*kern.LinkedList); ok {
+		v = int64(lls.Len())
 	} else if it, ok := childValue.(kern.Iterator); ok {
 		v = int64(it.Count())
 		// if extIt, ok := childValue.(ExtIterator); ok && extIt.HasOperation(CountName) {