@ritesh.....so cn i say dt post increment produce rvalue in c and c++ both.... bt preincrement produces rvalue in c nd lvalue in c++.....
On Mon, Jun 20, 2011 at 5:03 PM, RITESH SRIVASTAV <[email protected]>wrote: > It relates to the concept of lvalue and rvalue. > In C++, pre-increment produces lvalue which can be modified . ( but > because of absence of sequence point in the twice modification of > variable val, the result is undefined.) > In C , pre-increment does not produce lvalue so it can't be > modified ,hence the error. > > On Jun 20, 4:06 pm, Shachindra A C <[email protected]> wrote: > > As far as I understand, this has got nothing to do with references and > pls > > ignore my earlier post. > > > > On Mon, Jun 20, 2011 at 4:31 PM, Shachindra A C <[email protected] > >wrote: > > > > > > > > > I didnt execute your code...but i think having a look at the assembly > code > > > produced could give a good insight into the actual working. > > > > > On Mon, Jun 20, 2011 at 4:26 PM, himanshu kansal < > > > [email protected]> wrote: > > > > >> int val; > > >> int *p=&val; > > > > >> why does (++val)++ gives err in c bt nt in c++..... > > >> i knw dt abv expression wd produce undefined results bt i just want to > > >> knw why its nt giving the err in c++.... > > > > >> 2nd ques is whn ++val++ is invalid thn why ++*p++ is valid.... > > > > >> does it hv something to do wd references....?? > > > > >> -- > > >> You received this message because you are subscribed to the Google > Groups > > >> "Algorithm Geeks" group. > > >> To post to this group, send email to [email protected]. > > >> To unsubscribe from this group, send email to > > >> [email protected]. > > >> For more options, visit this group at > > >>http://groups.google.com/group/algogeeks?hl=en. > > > > > -- > > > Regards, > > > Shachindra A C > > > > -- > > Regards, > > Shachindra A C > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > > -- Regards Himanshu Kansal Msc Comp. sc. (University of Delhi) -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
