Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.lang.c++ > #5225
| From | Ruben Safir <mrbrklyn@panix.com> |
|---|---|
| Newsgroups | comp.lang.c++ |
| Subject | Re: Default constructor error |
| Date | 2011-05-20 23:37 +0000 |
| Organization | PANIX Public Access Internet and UNIX, NYC |
| Message-ID | <ir6u09$or$2@reader1.panix.com> (permalink) |
| References | <ir3j67$486$2@reader1.panix.com> <ir677e$t3e$1@dont-email.me> |
Andrey Tarasevich <andreytarasevich@hotmail.com> wrote:
> On 5/19/2011 10:14 AM, Ruben Safir wrote:
>> I'm getting this warning that appears in the 4.6 GCC compiler that didn't
>> happen before.
>>
>> the warning is
>>
>> /home/ruben/cplus/link_list_template_mysql/stats.h|45 col 42| warning:
>> converting to non-pointer type ?int? from NULL [-Wconversion-null]
>>
>> if comes from a default constructor
>>
>> Distribution():freq(NULL), occurances(0){};
>>
>>
>>
>> occurances is an int type, and the compiler is complaining about
>> occurances(0)
>
> What makes you think that it complains about `occurances` specifically?
> My first guess would be that it is complaining about `freq(NULL)`.
>
Because it says so specifically that the error is at occurances. It
says error at line# col#
>> it goes away when I change it to
>>
>> Distribution():freq(NULL){
>> occurances = 0;
>> };
>>
>>
>> but then it complains about freq which is of type T in a template
>
> Well, again, my guess would be that the compiler was complaining about
> `freq(NULL)` all the time.
No that analysis is wrong. The error message then changes and says it
is specifically and freq
> However, due to some quirk in the
> implementation this version of the code does not produce the same
> warning (even though the alleged issue is still there).
>
> How is `freq` declared?
>
the problem is not freq, as a fact.
Ruben
Back to comp.lang.c++ | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Default constructor error Ruben Safir <ruben@mrbrklyn.com> - 2011-05-19 17:14 +0000
Re: Default constructor error Victor Bazarov <v.bazarov@comcast.invalid> - 2011-05-19 13:46 -0400
Re: Default constructor error Andrey Tarasevich <andreytarasevich@hotmail.com> - 2011-05-20 10:09 -0700
Re: Default constructor error Ruben Safir <mrbrklyn@panix.com> - 2011-05-20 23:37 +0000
Re: Default constructor error Victor Bazarov <v.bazarov@comcast.invalid> - 2011-05-21 13:25 -0400
Re: Default constructor error drew@furrfu.invalid (Drew Lawson) - 2011-05-23 15:13 +0000
csiph-web