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// Test for nested template template parameter feature
template <template<template <class> class> class TTT> struct C
{
int f() { return 0; }
};
template <template <class> class TT> struct D
{
int a;
};
template <template <class> class TT> struct E
{
int a;
int b;
};
template <template <template <template<class> class> class> class TTT>
int g(TTT<E> t)
{
TTT<D> tt;
return tt.f();
}
int main()
{
C<E> c;
g(c);
}
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