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ready_validation package
documentation
ready_validation.dart
NullableStringValidationExtension extension
NullableStringValidationExtension extension
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NullableStringValidationExtension<
T
,
R
>
extension
on
FieldValidator
<
T
,
R?
>
Methods
required
(
[
MessageCallBack
<
R?
>
?
message
])
→
FieldValidator
<
T
,
R
>
check if the value is required
ready_validation package
documentation
ready_validation
NullableStringValidationExtension extension
ready_validation library