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widgets_pack package
documentation
helpers/items_validator.dart
AppSingleItemValidator<T>
validate method
validate method
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validate
method
@
override
String
?
validate
(
List
<
T
>
value
)
override
Implementation
@override String? validate(List<T> value) { return validator(value.firstOrNull); }
widgets_pack package
documentation
helpers/items_validator
AppSingleItemValidator<T>
validate method
AppSingleItemValidator class