Order of execution in operator

by

The compiler can evaluate the function printcbase() as this:

void printcbase(cbase* b ){
    int a = b->FooA();    // line 1
    int b = b->FooB();    // line 2
    std::cout << a;       // line 3
    std::cout << b;       // line 4
    stc::cout << std::endl;
}

or some of many permutatins of lines marked as 1 – 4. You are only guaranteed that that the line 1 is done before the line 3, and line 2 before the line 4 (and of course line 3 before line 4). Standard does not say more and indeed you can expect different results with different C++ compilers.

More Related Contents:

  1. how do I print an unsigned char as hex in c++ using ostream?
  2. Floating point format for std::ostream
  3. How to make C++ cout not use scientific notation
  4. No error/warning for multiple cout in one statement
  5. How do I print out the contents of a vector?
  6. How to print Unicode character in C++?
  7. Fastest way to check if a file exists using standard C++/C++11,14,17/C?
  8. How to properly overload the
  9. cout not printing unsigned char
  10. Error “undefined reference to ‘std::cout'”
  11. std::cout won’t print
  12. mixing cout and printf for faster output
  13. C++ [] array operator with multiple arguments?
  14. C++ cout hex values?
  15. Why I cannot cout a string?
  16. How can I compose output streams, so output goes multiple places at once?
  17. Trouble with inheritance of operator= in C++
  18. How to cout a float number with n decimal places [duplicate]
  19. C++ : friend declaration ‘declares a non-template function
  20. C++ cout printing slowly
  21. When does cout flush?
  22. Is std::cout buffered?
  23. Replace a line in text file
  24. Unbuffered output with cout
  25. Why “cout” works weird for “unsigned char”?
  26. Concatenating strings doesn’t work as expected [closed]
  27. How to use C++ std::ostream with printf-like formatting?
  28. Why we need to return reference to istream/ostream while overloading >> and
  29. “cout” and “char address” [duplicate]
  30. OpenCV cv::Mat to std::ifstream for base64 encoding

Leave a Comment