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Function Trace

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Trace the function f() and indicate its action on the list object alist.

template <typename T>
void f(list<T>& alist, list<T>::iterator iter)
{
if(iter != alist.end())
{
alist.push_front(*iter);
alist.erase(iter++);
f(alist.iter);
}
}

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Solution Summary

The expert examines a function trace.

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The function f() is to reverse an list.
For example, suppose alist = {1, 2, 3, 4, 5}
At the beginning, iter points to 1.
Then in the function f(), it does ...

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