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