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Groups > comp.lang.c++ > #11764
| Newsgroups | comp.lang.c++ |
|---|---|
| Subject | Re: Mutability of temporary variables |
| References | <op.v4605gilpbcp0d@localhost.localdomain> <ja8dkh$snr$1@news.albasani.net> |
| Date | 2011-11-24 00:50 +0100 |
| From | kyle <kyle@nomail.com> |
| Organization | none |
| Message-ID | <op.v5fa6tmvpbcp0d@localhost.localdomain> (permalink) |
Dnia 19-11-2011 o 16:16:45 Johannes Schaub
<schaub.johannes@googlemail.com> napisał(a):
> kyle wrote:
>
>> Consider following code:
>>
>> int main() {
>> const int& c = int();
>> int& m = const_cast<int&>(c);
>> m = 4;
>> }
>>
>
> The error in your thinking is that you think that "int()" is a temporary
> object.
>
This is indeed what i assumed.
As i understand, i could 'fix' the code by having a function 'int foo()
{return 1;}' and using it in place of 'int()'?
Unfortunately, what i originally planned to do is illegal for entirely
different reason ;)
--
kyle
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Mutability of temporary variables kyle <kyle@nomail.com> - 2011-11-19 13:33 +0100
Re: Mutability of temporary variables Paavo Helde <myfirstname@osa.pri.ee> - 2011-11-19 07:18 -0600
Re: Mutability of temporary variables Victor Bazarov <v.bazarov@comcast.invalid> - 2011-11-19 08:45 -0500
Re: Mutability of temporary variables Leigh Johnston <leigh@i42.co.uk> - 2011-11-19 14:25 +0000
Re: Mutability of temporary variables "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2011-11-20 00:14 +0000
Re: Mutability of temporary variables Leigh Johnston <leigh@i42.co.uk> - 2011-11-20 00:45 +0000
Re: Mutability of temporary variables Leigh Johnston <leigh@i42.co.uk> - 2011-11-20 01:14 +0000
Re: Mutability of temporary variables "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2011-11-20 02:34 +0000
Re: Mutability of temporary variables "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2011-11-20 02:44 +0000
Re: Mutability of temporary variables Leigh Johnston <leigh@i42.co.uk> - 2011-11-20 13:06 +0000
Re: Mutability of temporary variables Leigh Johnston <leigh@i42.co.uk> - 2011-11-20 13:21 +0000
Re: Mutability of temporary variables "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2011-11-20 16:51 +0000
Re: Mutability of temporary variables Leigh Johnston <leigh@i42.co.uk> - 2011-11-20 17:24 +0000
Re: Mutability of temporary variables SG <s.gesemann@gmail.com> - 2011-11-20 00:49 -0800
Re: Mutability of temporary variables Victor Bazarov <v.bazarov@comcast.invalid> - 2011-11-19 08:42 -0500
Re: Mutability of temporary variables Paavo Helde <myfirstname@osa.pri.ee> - 2011-11-19 08:20 -0600
Re: Mutability of temporary variables Victor Bazarov <v.bazarov@comcast.invalid> - 2011-11-19 15:51 -0500
Re: Mutability of temporary variables Paavo Helde <myfirstname@osa.pri.ee> - 2011-11-19 16:51 -0600
Re: Mutability of temporary variables "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2011-11-20 00:23 +0000
Re: Mutability of temporary variables Johannes Schaub <schaub.johannes@googlemail.com> - 2011-11-19 16:16 +0100
Re: Mutability of temporary variables "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2011-11-20 00:31 +0000
Re: Mutability of temporary variables kyle <kyle@nomail.com> - 2011-11-24 00:50 +0100
Re: Mutability of temporary variables Johannes Schaub <schaub.johannes@googlemail.com> - 2011-11-24 20:36 +0100
Re: Mutability of temporary variables SG <s.gesemann@gmail.com> - 2011-11-21 01:17 -0800
Re: Mutability of temporary variables Johannes Schaub <schaub.johannes@googlemail.com> - 2011-11-22 23:26 +0100
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