gistfile1.txt

$limited_sudo = hiera('staff::allowed::sudo', undef)
if ( $limited_sudo ) {
  $allowed_sudo = $limited_sudo.reduce( false ) |$allowed_sudo, $entry[ {
    $team = $entry[1]
    case [$allowed_sudo, $team, $username in hiera($team)] {
      [ false, /::team::/, true] : {
        warning ("Allowing sudo")
        warning ("1: true")
        true
      }
      default : {
        $allowed_sudo
      }
    }
  }
}  
warning ("2: $allowed_sudo")