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add ? (#88019)

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Abhishek Ghaskata 2021-08-14 05:32:09 +05:30 committed by GitHub
parent 79ff8a5cb6
commit 10aad08a34
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1 changed files with 2 additions and 2 deletions
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packages/flutter/lib/src/material/checkbox.dart
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@ -138,9 +138,9 @@ class Checkbox extends StatefulWidget {
/// ```dart
/// Checkbox(
/// value: _throwShotAway,
/// onChanged: (bool newValue) {
/// onChanged: (bool? newValue) {
/// setState(() {
/// _throwShotAway = newValue;
/// _throwShotAway = newValue!;
/// });
/// },
/// )