while runnin same code in .cpp format gives 1....
On Thu, Jul 7, 2011 at 12:19 AM, sanchit mittal <[email protected]> wrote:
> Run dis in saving the same in .C format
> m getting 0...:)
>
> #include<stdio.h>
> #include<conio.h>
>
> struct empty{};
>
> int main()
> {
> struct empty e;
> int x=sizeof(e);
> printf("%d",x);
> getch();
> return 0;
> }
>
>
>
> On Wed, Jul 6, 2011 at 11:58 PM, shiv narayan
> <[email protected]>wrote:
>
>> hey i am getting size of empty struct 1.
>> check my code
>>
>> #include<iostream>
>> #include<conio.h>
>> using namespace std;
>> struct empty{};
>>
>> int main()
>> {
>> empty e;
>> int x=sizeof(e);
>> cout<<x;
>> getch();
>> return 0;
>> }
>>
>> when i run this i get "1" as output
>>
>>
>> On Jul 6, 10:16 pm, Ashish Modi <[email protected]> wrote:
>> > @piyush:
>> > No,one can declare the variable of empty struct and access its address
>> via
>> > pointer. So, when you are accessing address via pointer means some
>> memory is
>> > allocated for that variable. But *sizeof()* operator returns *zero*??
>> why???
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> > On Wed, Jul 6, 2011 at 10:38 PM, T3rminal <[email protected]> wrote:
>> > > @ashish
>> > > Most probably because empty struct in C have nothing associated with
>> it.
>> > > They are as good as nothing. But empty classes in C++ can have member
>> > > functions. These functions need to be associated with object, having a
>> > > unique address, for that class. And unique address is not possible
>> with
>> > > class of size 0 as already explained above.
>> >
>> > > --
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>> > > "Algorithm Geeks" group.
>> > > To view this discussion on the web visit
>> > >https://groups.google.com/d/msg/algogeeks/-/XP8yGGz2YbEJ.
>> >
>> > > To post to this group, send email to [email protected].
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>> >
>> > --
>> > With Regards
>> > Ashish Modi
>> > 9423721478
>>
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>>
>
>
> --
> Sanchit Mittal
> Second Year Undergraduate
> Computer Engineering
> Delhi College of Engineering
> ph- +919582414494
>
>
--
Sanchit Mittal
Second Year Undergraduate
Computer Engineering
Delhi College of Engineering
ph- +919582414494
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