@@
type T;
identifier tmp;
T a, b;
- T tmp = a;
+ T tmp;
+ tmp = a;
a = b;
b = tmp;
@ swap @
T tmp, a, b;
- tmp = a;
- a = b;
- b = tmp;
+ SWAP(a, b);
@ extends swap @
identifier unused;
{
...
- T unused;
... when != unused
}