public void SomeMethod(IHasSightsNearby sightseeing)
{
var walkingIterator = sightseeing.GetWalkingIterator();
while (walkingIterator.MoveNext())
{
var anotherSightseeing = walkingIterator.Current;
// do smth with anotherSightseeing
}
}
public static IIterator <IHasSightsNearby> GetWalkingIterator(this IHasSightsNearby sightseeing)
{
return(new WalkingIterator(sightseeing));
}
public static IIterator <IHasSightsNearby> GetTrainIterator(this IHasSightsNearby sightseeing)
{
throw new NotImplementedException();
}