Thanks.
Why did you use:
auto store = new Bike[10];
store[] = new Bike(null);
iso:
Bike[10] store;
store[] = new Bike(null);
At first I thought that:
auto store = new Bike[10];
would allocate the instances as well.
> class Bike {
> Human owner;
>
> this(Human o) {
> owner = o;
> }
> public void newOwner(Human o) {
> owner = o;
> }
> }
>
> class Human {
> Bike bike;
> char[] name;
>
> public:
> this(char[] n) { name = n; }
>
> void ride() {
> if(bike !is null) {
> writefln("%s is riding his bike", name);
> }
> }
>
> void purchase(Bike b) {
> b.newOwner(this);
> }
> }
>
> void main() {
> auto store = new Bike[10];
> store[] = new Bike(null);
>
> Human joe = new Human("Joe");
> joe.ride();
>
> // Joe buys a new bike
> joe.purchase(store[4]);
> }
>
> you will notice that the bike requires an owner, but I provided none
> during creation. Also note that a Human does not have to own a bike,
> would you want to force a creation of bike even though he has not
> purchased one? I didn't test the code, but I hope it works.
>
> One of the things that happens as that you want a reference to an object
> type, but not create a new one, because later you will be getting the
> reference from somewhere else. Feel free to use what I have given you.