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// { dg-options "-std=gnu++0x" }

// A tuple type

template struct tuple { };

// Determine if two types are the same

template

struct is_same {

  static const bool value = false;

};

template

struct is_same {

  static const bool value = true;

};

// Append 'T' to the end of Tuple

template

struct append_to_tuple;

template

struct append_to_tuple > {

  typedef tuple type;

};

// Reverse a sequence of arguments (and return the result as a tuple)

template struct reverse;

template

struct reverse {

  typedef typename append_to_tuple::type>::type

    type;

};

template<>

struct reverse<> {

  typedef tuple<> type;

};

int a0[is_same::type, tuple<> >::value? 1 : -1];

int a1[is_same::type, tuple >::value? 1 : -1];

int a2[is_same::type, tuple >::value? 1 : -1];

int a3[is_same::type, tuple >::value? 1 : -1];