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// Build don't link:
// GROUPS passed templates
template<class T>
class Vector
{
int sz;
T *v;
public:
Vector (int s) : sz (s) { v = new T[sz]; }
~Vector () { delete[] v; }
T &operator[] (int i) { return v[i]; }
int size () { return sz; }
};
template<class T>// ERROR - previous definition of T
struct Comparator
{
typedef T T;// ERROR - use of template type T in typedef to T
static lessthan (T &a, T &b) { return a < b; }
};
template<class Comp>
struct Sort
{
static void sort (Vector<Comp::T> &);// ERROR - use of bad T
};
template<class Comp>
void Sort<Comp>::sort (Vector<Comp::T> &v)// ERROR - use of bad T
{
int n = v.size ();
for (int i = 0; i < n - 1; i++)
for (int j = n - 1; i < j; j--)
if (Comp::lessthan (v[j], v[j - 1]))
{
typename Comp::T temp = v[j];
v[j] = v[j - 1];
v[j - 1] = temp;
}
}
void
f (Vector<int> &vi)
{
Sort<Comparator<int> >::sort (vi);
}
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