class ReeValidator::ValidateExclusion

def call(value, list_or_set, error = nil)
  if list_or_set.include?(value)
    error ||= ExclusionErr.new(
      t(
        'validator.exclusion.error',
        {list: list_or_set.to_a},
        default_by_locale: :en
      )
    )
    raise error
  end
  true
end