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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <stack>
// template <class T, class Container>
// void swap(stack<T, Container>& x, stack<T, Container>& y);
#include <stack>
#include <cassert>
template <class C>
C
make(int n)
{
C c;
for (int i = 0; i < n; ++i)
c.push(i);
return c;
}
int main()
{
std::stack<int> q1 = make<std::stack<int> >(5);
std::stack<int> q2 = make<std::stack<int> >(10);
std::stack<int> q1_save = q1;
std::stack<int> q2_save = q2;
swap(q1, q2);
assert(q1 == q2_save);
assert(q2 == q1_save);
}
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