#include <list>
#include <cassert>
class A
{
int i_;
double d_;
A(const A&);
A& operator=(const A&);
public:
A(int i, double d)
: i_(i), d_(d) {}
int geti() const {return i_;}
double getd() const {return d_;}
};
int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
std::list<A> c;
c.emplace(c.cbegin(), 2, 3.5);
assert(c.size() == 1);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
c.emplace(c.cend(), 3, 4.5);
assert(c.size() == 2);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
assert(c.back().geti() == 3);
assert(c.back().getd() == 4.5);
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}