fix type '(int) => String?' is not a subtype of type '((int?) => Stri…

…ng)?' in type cast
google · May 20, 2022 · 6f32b9e · 6f32b9e
1 parent 579669e
commit 6f32b9e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/charts_common/lib/src/data/series.dart b/charts_common/lib/src/data/series.dart
@@ -267,7 +267,7 @@ class Series<T, D> {
 /// such usage.
 ///
 /// Otherwise, [index] must be a valid subscript into a list of `series.length`.
-typedef AccessorFn<R> = R Function(int? index);
+typedef AccessorFn<R> = R? Function(int index);
 
 typedef TypedAccessorFn<T, R> = R Function(T datum, int? index);