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#ifndef TEST_COMPARE_H
#define TEST_COMPARE_H
#include <cstddef>
#include <type_traits>
#include <cstdlib>
#include <new>
#include <climits>
template <class C>
class test_compare
: private C
{
int data_;
public:
explicit test_compare(int data = 0) : data_(data) {}
typename C::result_type
operator()(typename std::add_lvalue_reference<const typename C::first_argument_type>::type x,
typename std::add_lvalue_reference<const typename C::second_argument_type>::type y) const
{return C::operator()(x, y);}
bool operator==(const test_compare& c) const
{return data_ == c.data_;}
};
#endif // TEST_COMPARE_H
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