Order of executions in C++ streams

Posted by Krzysztof Bzowski on Programmers See other posts from Programmers or by Krzysztof Bzowski
Published on 2012-11-29T14:02:24Z Indexed on 2012/11/29 17:17 UTC
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It is obvious that first cout prints 7 7 but why the second one prints 8 8 7 ? Why not 7 8 8? How does such constructions work in c++?

int ink(int *x){
     *x += 1;
     return *x;
}
int main(){
    int *a;
    int b = 6;

    a = &b;

    cout << ++b << " " << b << endl;   
    cout << b << " " << ink(a) << " " << b;

    return 0;

}

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