Why not op delete(void* v&,size_t);?

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2 total messages Started by Andy Sawyer Thu, 05 Oct 1995 08:17

#2112

Author: Andy Sawyer
Date: Thu, 05 Oct 1995 08:17

26 lines
1542 bytes

In article <44k3iv$mok@cnn.Princeton.EDU>
           tim@franck.Princeton.EDU "Tim Hollebeek" writes:

 > Ronald F. Guilmette <rfg@monkeys.com> wrote:
 > >Heck!  If you are going to ask about _that_ why not ask why member
 > >functions get a `this' _pointer_ rather than a `this' reference?
 > >The latter would clearly have been a far better choice.
 > 
 > Agreed. I'm tired of returning *this.

I also agree....dare I suggest the preprocessor option...

#define self (*this)

(P.S. I apologise to those concerned if the above quotes are misattributed)
Regards,
 Andy
-- 
* Andy Sawyer ** e-mail:andys@thone.demon.co.uk ** Compu$erve:100432,1713 **
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Re: Why not op delete(void* v&,size_t);?

#2127

Author: Steve Clamage
Date: Thu, 05 Oct 1995 18:34

33 lines
1778 bytes

In article 6023@thone.demon.co.uk, Andy Sawyer <andys@thone.demon.co.uk> writes:
>In article <44k3iv$mok@cnn.Princeton.EDU>
>           tim@franck.Princeton.EDU "Tim Hollebeek" writes:

> > Ronald F. Guilmette <rfg@monkeys.com> wrote:
> > >Heck!  If you are going to ask about _that_ why not ask why member
> > >functions get a `this' _pointer_ rather than a `this' reference?
> > >The latter would clearly have been a far better choice.
> > 
> > Agreed. I'm tired of returning *this.

>I also agree....

The reason "this" is a pointer is that it was introduced into C++ before
references were part of the language. If references had been part of C++
at the time, "this" would have been a reference. (I believe you can find
that comment in D&E.)

I hope everyone realizes that it is far too late now to change "this" to
a reference. The change would break every C++ program in exchange for a
very minor notational convenience. (You don't normally need to write "this"
very often in a program, but nearly every program contains a few instances.)

---
Steve Clamage, stephen.clamage@eng.sun.com

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