validate method

@override bool validate(dynamic data)

Validates the provided data against this rule.

Returns true if the data is valid, false otherwise. Subclasses must implement this method.

Implementation

@override
bool validate(data) {
  if (data is String) {
    return data.length >= minValue;
  }
  if (data is num) {
    return data >= minValue;
  }
  if (data is List) {
    return data.length >= minValue;
  }
  if (data is Map) {
    return data.length >= minValue;
  }
  return false;
}