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form_validation package
documentation
form_validation.dart
ValueValidator
validate abstract method
validate abstract method
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validate
abstract method
String
?
validate
(
{
required
String
label
,
required
String
?
value
,
})
Implementation
String? validate({ required String label, required String? value, });
form_validation package
documentation
form_validation
ValueValidator
validate abstract method
ValueValidator class