hasLength method
check is the value has length of length
Implementation
FieldValidator<String?, String?> hasLength(int length,
[MessageCallBack<String>? message]) =>
hasLengthFn(() => length, message);
check is the value has length of length
FieldValidator<String?, String?> hasLength(int length,
[MessageCallBack<String>? message]) =>
hasLengthFn(() => length, message);