Google video about consepts

[Jarrett Billingsley]

"Dan" <murpsoft at hotmail.com> wrote in message 
news:ev3hjl$26p4$1 at digitalmars.com...
>
> I've never understood some of the Java introduced things in programming 
> languages.  For example, classes.  I can understand localizing algorithms 
> and data together, but I can't understand how big a class is, or what it's 
> layout is.  It's a black box.  I don't believe in creating black boxes - 
> so I don't like classes or interfaces or templates.

You believe Java came up with those things?

> Downs Wrote:
>> This will make sure T implements a int mustImplement(float, char[]) and 
>> output a helpful error message if it doesn't.
>
> Wow... my solution for Simple Data Type "Interfaces" was to use an array 
> of function's.  The "function" type in D is really a pointer to the entry 
> point of the function AFAIK.