Problem using Interfce

[H. S. Teoh]

On Wed, May 16, 2012 at 04:24:12AM +0200, Stephen Jones wrote:
[...]
> Thanks Ali for the syntax, some very useful bits and pieces I did
> not know. I do not want to use property syntax. Form a performance
> perspective I cannot see any good reason not to simply use an array
> of pointers to the different objects (buttons, cursor, etc) rather
> than incurring function overheads. Except for the good reason that I
> do not know the syntax.
> 
> Ary: I seem to remember playing around with a Simpsons extending
> program in Java that did this; you could throw all the different
> Simpsons into a single Array because they extended "Simpson", and
> you could walk through the array and each would call their own name.
> I kind of purposely left the language vague in case I was mistaken.

Here:

	class Simpson {
		string name;
	}
	class Bart : Simpson {
		this() {
			name = "Bart Simpson";
		}
	}
	class Homer : Simpson {
		this() {
			name = "Homer Simpson";
		}
	}

	void main() {
		Simpson[] simpsons;

		foreach (simpson; simpsons) {
			writeln(simson.name);
		}
	}


T

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