@Bhaskar u r right. I mean wen u are trying to access this function on non
constant object.
On May 28, 2012 2:08 AM, "Bhaskar Kushwaha" <bhaskar.kushwaha2...@gmail.com>
wrote:
> the job of marked const here is to make the member function "operator=" as
> const so it can't modify any member function values unless that member
> function is mutable
>
> @manikanta
> the compiler will throw an error only when we try to modify any members
> inside a const member function but here we are not modifying anything thus
> no error would be there.
>
> On Mon, May 28, 2012 at 12:50 AM, Lucifer <sourabhd2...@gmail.com> wrote:
>
>> @amrit
>> Every non-static member function of a class has an implicit parameter
>> that is passed to the function (when called) This implicit parameter
>> is nothing but the "this" pointer. Now if you want to make the
>> implicit parameter ("this" pointer) a "const", how would u do it? This
>> is done by placing the "const" keyword at the end of the function
>> signature.
>>
>> In case you want to make the "this" pointer "volatile", u can do so by
>> placing the keyword "volatile" at the end of the function signature.
>>
>>
>> On May 28, 12:05 am, Manikanta Babu <manikantabab...@gmail.com> wrote:
>> > Its a const member function, you cant return reference to the object.
>> >
>> > Const member function never allows you to modify the data until unless
>> its
>> > a mutable. So here we are passing the reference to object which is
>> > modifiable, it conflicts with the const member function property.
>> >
>> > So the compiler throws an error here.
>> >
>> > Thanks
>> > Mani
>> >
>> > On Mon, May 28, 2012 at 12:23 AM, amrit harry <dabbcomput...@gmail.com
>> >wrote:
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> > > complex_number const & operator =(complex_number & temp) const
>> > > {
>> > > return *this;
>> > > }
>> >
>> > > what is the job of marked 'const'....???
>> >
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>> > --
>> > Thanks & Regards,
>> > Manihttp://www.sanidapa.com- The music Search engine
>>
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>
>
> --
> regards,
> Bhaskar Kushwaha
> Student
> CSE
> Third year
> M.N.N.I.T. Allahabad
>
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