Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.lang.c++ > #72811
| From | Ian Collins <ian-news@hotmail.com> |
|---|---|
| Newsgroups | comp.lang.c++ |
| Subject | Re: Help needed |
| Date | 2020-04-05 07:35 +1200 |
| Message-ID | <hes5rfFfrroU4@mid.individual.net> (permalink) |
| References | (4 earlier) <slrnr8fcd2.eb4.nedlatham@woden.valhalla.oz> <r691l0$idd$1@dont-email.me> <slrnr8g4vd.ep1.nedlatham@woden.valhalla.oz> <r69sbm$l63$1@dont-email.me> <slrnr8h34h.fe4.nedlatham@woden.valhalla.oz> |
On 05/04/2020 02:33, Ned Latham wrote:
> Alf P. Steinbach wrote:
>
>> Here's an example:
>>
>>
>> #include <iostream>
>> using namespace std; // Do this to get roughly pre-standard behavior.
>
> Not me. Namespace is beyond the pale.
>
>> struct Non_native
>> {
>> double amount;
>>
>> operator double() const { return amount; }
>
> What's this for? It's not used, below.
It is.
>>
>> void advance()
>> {
>> amount += 0.01;
>> }
>>
>> Non_native operator++( int )
>
> double is non-native?
>
>> {
>> Non_native result = *this;
>> advance();
>> return result;
>> }
>> };
>>
>> int main()
>> {
>> Non_native o = {3.14};
>>
>> cout << "Originally " << o++ << "." << endl;
>> cout << "After: " << o << "." << endl;
>> }
>
> I'm not even going to try it, Alf, And I bet you haven't done so.
> That code requires overload operators = and << for the struct.
>
No, it doesn't. The code compiles and behaves exactly as intended and
your inability to comprehend it clearly demonstrates what I thought all
along, you are clueless.
--
Ian.
Back to comp.lang.c++ | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Help needed Gerry Wolff <gerrywolff65@gmail.com> - 2020-04-03 09:56 -0700
Re: Help needed Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2020-04-03 18:18 +0100
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-03 12:57 -0500
Re: Help needed Melzzzzz <Melzzzzz@zzzzz.com> - 2020-04-03 18:17 +0000
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-03 16:41 -0500
Re: Help needed James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-04-03 14:58 -0400
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-03 16:45 -0500
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-03 17:52 -0500
Re: Help needed Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-04-03 20:05 +0000
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-03 16:58 -0500
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-03 17:50 -0500
Re: Help needed James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-04-04 00:15 -0400
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-03 23:58 -0500
Re: Help needed Ian Collins <ian-news@hotmail.com> - 2020-04-04 18:06 +1300
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-04 00:35 -0500
Re: Help needed Ian Collins <ian-news@hotmail.com> - 2020-04-04 19:54 +1300
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-04 02:22 -0500
Re: Help needed Bo Persson <bo@bo-persson.se> - 2020-04-04 10:33 +0200
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-04 04:55 -0500
Re: Help needed David Brown <david.brown@hesbynett.no> - 2020-04-04 13:02 +0200
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-04 07:15 -0500
Re: Help needed David Brown <david.brown@hesbynett.no> - 2020-04-04 16:49 +0200
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-05 04:10 -0500
Re: Help needed Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2020-04-05 16:31 +0100
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-05 11:37 -0500
Re: Help needed Bonita Montero <Bonita.Montero@gmail.com> - 2020-04-04 14:19 +0200
Re: Help needed David Brown <david.brown@hesbynett.no> - 2020-04-04 16:57 +0200
Re: Help needed James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-04-04 10:51 -0400
Re: Help needed James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-04-04 10:44 -0400
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-05 04:06 -0500
Re: Help needed James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-04-05 11:04 -0400
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-05 11:31 -0500
Re: Help needed James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-04-05 16:59 -0400
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-05 21:38 -0500
Re: Help needed "Alf P. Steinbach" <alf.p.steinbach+usenet@gmail.com> - 2020-04-04 13:51 +0200
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-04 08:33 -0500
Re: Help needed Ian Collins <ian-news@hotmail.com> - 2020-04-05 07:35 +1200
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-05 04:19 -0500
Re: Help needed James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-04-05 11:27 -0400
Re: Help needed James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-04-04 22:27 -0400
Re: Help needed Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2020-04-04 14:50 +0100
Re: Help needed James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-04-04 10:27 -0400
Re: Help needed Ian Collins <ian-news@hotmail.com> - 2020-04-05 07:37 +1200
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-05 03:45 -0500
Re: Help needed Paavo Helde <myfirstname@osa.pri.ee> - 2020-04-04 09:02 +0300
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-04 01:20 -0500
Re: Help needed Ian Collins <ian-news@hotmail.com> - 2020-04-04 19:43 +1300
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-04 02:10 -0500
Re: Help needed Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2020-04-04 01:58 -0700
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-04 05:04 -0500
Re: Help needed Paavo Helde <myfirstname@osa.pri.ee> - 2020-04-04 14:37 +0300
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-04 07:25 -0500
Re: Help needed Paavo Helde <eesnimi@osa.pri.ee> - 2020-04-04 17:39 +0300
Re: Help needed Ned Latham <nedlatham@woden.valhalla.oz> - 2020-04-05 04:02 -0500
Re: Help needed Bonita Montero <Bonita.Montero@gmail.com> - 2020-04-03 19:35 +0200
Re: Help needed Bonita Montero <Bonita.Montero@gmail.com> - 2020-04-03 20:01 +0200
Re: Help needed Bonita Montero <Bonita.Montero@gmail.com> - 2020-04-04 16:16 +0200
Re: Help needed Bonita Montero <Bonita.Montero@gmail.com> - 2020-04-04 18:58 +0200
Re: Help needed Christian Gollwitzer <auriocus@gmx.de> - 2020-04-03 22:01 +0200
Re: Help needed Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2020-04-03 21:05 +0100
Re: Help needed Bo Persson <bo@bo-persson.se> - 2020-04-04 02:10 +0200
Re: Help needed Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-04-04 08:19 +0000
Re: Help needed Gerry Wolff <gerrywolff65@gmail.com> - 2020-04-05 02:56 -0700
Re: Help needed Ben Bacarisse <ben.usenet@bsb.me.uk> - 2020-04-04 01:14 +0100
Re: Help needed Gerry Wolff <gerrywolff65@gmail.com> - 2020-04-05 02:49 -0700
Re: Help needed Sam <sam@email-scan.com> - 2020-04-04 16:30 -0400
Re: Help needed Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2020-04-05 05:58 +0100
Re: Help needed Gerry Wolff <gerrywolff65@gmail.com> - 2020-04-05 03:21 -0700
Re: Help needed Juha Nieminen <nospam@thanks.invalid> - 2020-04-07 06:33 +0000
Re: Help needed Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-04-07 10:39 +0000
csiph-web