So if x holds a copy of the value of "a", then why is the value of "y" changed? Is it due to the fact that, "y" is passed by reference? But if both values go into foo, then shouldn't both values be changed?
So if x holds a copy of the value of "a", then why is the value of "y" changed? Is it due to the fact that, "y" is passed by reference? But if both values go into foo, then shouldn't both values be changed?
