From 0bf41347928aca854d66d3a8365b625f588a0bac Mon Sep 17 00:00:00 2001
From: thomashii <thomashii@dukefirehawk.com>
Date: Sun, 21 Mar 2021 08:52:58 +0800
Subject: [PATCH] Fixed null safety

---
 packages/combinator/lib/src/combinator/combinator.dart | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/combinator/lib/src/combinator/combinator.dart b/packages/combinator/lib/src/combinator/combinator.dart
index 4c2f2ab4..4048d934 100644
--- a/packages/combinator/lib/src/combinator/combinator.dart
+++ b/packages/combinator/lib/src/combinator/combinator.dart
@@ -196,7 +196,9 @@ abstract class Parser<T> {
             v.isEmpty ? [] : (r.value?[0] == null ? [] : [r.value?[0]]);
         var out = List<T>.from(preceding);
         if (r.value?[1] != null) {
-          out.addAll(r.value?[1] as List<T>);
+          (r.value?[1] as List<T>).forEach((element) {
+            out.add(element);
+          });
         }
         return out;
       } else {