D - more or less power than C++?

[Johan Granberg]

Hasan Aljudy wrote:
>> Because then i would have to call a method to read bar and that would 
>> bee inefective. 
> 
> You know, CPUs are fast now a days, a single function call is not 
> "ineffective".

That argument does not hold if you are in a tight loop it will matter.

>> I know it is no big deal when bar is only an ont but when larger 
>> structures is copied the overhead can bee a significant slowdown. 
> 
> Objects don't get copied when they are passed to functions ..

But large structs does and if you want an objects variabls to bee 
unchanged you muse use dup.

>> also privat does not protect from misstakes in the same class but if 
>> you do a cast you will think about why it is readonly in the first place.
> 
> I don't understand what you mean.

That readonly is for both the occasions when you misspell somthing and 
refer to the wrong variable. (hard to find bug) and to present a user of 
your library with a contract of use.