Which of the following comments would be the best post-condition for this swap function void swap int& left, int&right);
A) //Postcondition: None
B) //Postcondition: the values of left and right are exchanged.
C) //Postcondition: left has the value of right
D) //Postcondition: left and right are unchanged

Question

Quizplus · Accepted Answer

The purpose of the swap function is to exchange the values of the two integer variables passed as arguments. Therefore, the most appropriate post-condition would be that the values of left and right are exchanged.

Which of the Following Comments Would Be the Best Post-Condition