gistfile1.txt

class ho
{
  const ho();
  number() => 5;
}

class hoge {
  static homu() => _i.number();
  static final _i = const ho();
}

void main()
{
  print( hoge.homu() );
  
  for( final v in [ 1, 2, 3, 4, 5, 6 ] )
    print( v );

}