Re: Total Newbie Backward Compat Question

"Daniel T." <daniel_t@[EMAIL PROTECTED]
> writes:

> Bart van Ingen Schenau <bart@[EMAIL PROTECTED]
> wrote:
>> Chris ( Val ) wrote:
>
> Code example under consideration:
>
> class Foo {
> public:
>    int getValue() const;
>    int setValue( int v );
>       // ensure: result == old getValue() && getValue() == v
> };
>
>> > I think I can understand your reasons for [returning a value from
>> > a command], but that is a hack in C++, and goes against
>> > everything we learn about OOP and writing good, maintainable and
>> > safe code.
<snip> 
> However, the method *is* the sole means of retrieving that which it 
> retrieves (the value of getValue() before the last time setValue() was 
> called,) and it only works once. Referential transparency is broken.

True, but is that not setting the bar rather high for C++?  For one
thing, you'd have to outlaw all "setters".

-- 
Ben.