fix null safety (#401)

4 years ago · 2f298c6672
parent f253f582d5
commit 2f298c6672
1 changed files with 1 additions and 1 deletions
--- a/lib/src/widgets/controller.dart
+++ b/lib/src/widgets/controller.dart
@ -85,7 +85,7 @@ class QuillController extends ChangeNotifier {
  }

  void _handleHistoryChange(int? len) {
-    if (len != 0) {
+    if (len! != 0) {
      // if (this.selection.extentOffset >= document.length) {
      // // cursor exceeds the length of document, position it in the end
      // updateSelection(