validate method

  1. @override
bool validate(
  1. String value,
  2. Map<String, FormFieldState> fields
)
override

Validates the given value against the validation rule.

  • value: The value to be validated.
  • fields: A map of form field states for cross-field validation.

Returns true if the validation passes, false otherwise.

Implementation

@override
bool validate(String value, Map<String, FormFieldState> fields) {
  return ['true', 'false', '1', '0'].contains(value.toLowerCase());
}